Multiples of 31

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Created by: Team Maths - Examples.com, Last Updated: May 27, 2024

Multiples of 31

Multiples of 31 are integers obtained by multiplying 31 with other whole numbers. In mathematics, a multiple of 31 can be represented as 31n, where n is an integer. This process involves multiplication, producing numbers like 31, 62, 93, and so on. Factors and divisors of these multiples include both 31 and the integer used in the multiplication. Understanding multiples of 31 helps in various mathematical problems involving divisibility and common factors.

What are Multiples of 31?

Multiples of 31 are the products obtained by multiplying 31 by any integer. Examples include 31, 62, 93, 124, and so on. These numbers follow the pattern 31n, where n is any integer.

Prime Factorization of 31: 31¹ First 10 Multiples of 31 are 31, 62, 93, 124, 155, 186, 217, 248, 279, 310.

For example, 93, 155, 217 and 279 are all multiples of 31, 320 is not a multiple of 31 for the following reasons:

NumberCalculationReasonRemainder
9393÷31 = 393 is a multiple of 31 because it divides evenly.0
155155÷31 = 5155 is a multiple of 31 because it divides evenly.0
217217÷31 = 7217 is a multiple of 31 because it divides evenly.0
279279÷31 = 9279 is a multiple of 31 because it divides evenly.0
320320÷31 = 10320 is not a multiple of 31 because it does not divide evenly.10

List of First 100 Multiples of 31 with Remainders

List-of-First-100-Multiples-of-31
NumberReasonRemainder
3131 is a multiple of 31 because 31 × 1 = 310
6262 is a multiple of 31 because 31 × 2 = 620
9393 is a multiple of 31 because 31 × 3 = 930
124124 is a multiple of 31 because 31 × 4 = 1240
155155 is a multiple of 31 because 31 × 5 = 1550
186186 is a multiple of 31 because 31 × 6 = 1860
217217 is a multiple of 31 because 31 × 7 = 2170
248248 is a multiple of 31 because 31 × 8 = 2480
279279 is a multiple of 31 because 31 × 9 = 2790
310310 is a multiple of 31 because 31 × 10 = 3100
341341 is a multiple of 31 because 31 × 11 = 3410
372372 is a multiple of 31 because 31 × 12 = 3720
403403 is a multiple of 31 because 31 × 13 = 4030
434434 is a multiple of 31 because 31 × 14 = 4340
465465 is a multiple of 31 because 31 × 15 = 4650
496496 is a multiple of 31 because 31 × 16 = 4960
527527 is a multiple of 31 because 31 × 17 = 5270
558558 is a multiple of 31 because 31 × 18 = 5580
589589 is a multiple of 31 because 31 × 19 = 5890
620620 is a multiple of 31 because 31 × 20 = 6200
651651 is a multiple of 31 because 31 × 21 = 6510
682682 is a multiple of 31 because 31 × 22 = 6820
713713 is a multiple of 31 because 31 × 23 = 7130
744744 is a multiple of 31 because 31 × 24 = 7440
775775 is a multiple of 31 because 31 × 25 = 7750
806806 is a multiple of 31 because 31 × 26 = 8060
837837 is a multiple of 31 because 31 × 27 = 8370
868868 is a multiple of 31 because 31 × 28 = 8680
899899 is a multiple of 31 because 31 × 29 = 8990
930930 is a multiple of 31 because 31 × 30 = 9300
961961 is a multiple of 31 because 31 × 31 = 9610
992992 is a multiple of 31 because 31 × 32 = 9920
10231023 is a multiple of 31 because 31 × 33 = 10230
10541054 is a multiple of 31 because 31 × 34 = 10540
10851085 is a multiple of 31 because 31 × 35 = 10850
11161116 is a multiple of 31 because 31 × 36 = 11160
11471147 is a multiple of 31 because 31 × 37 = 11470
11781178 is a multiple of 31 because 31 × 38 = 11780
12091209 is a multiple of 31 because 31 × 39 = 12090
12401240 is a multiple of 31 because 31 × 40 = 12400
12711271 is a multiple of 31 because 31 × 41 = 12710
13021302 is a multiple of 31 because 31 × 42 = 13020
13331333 is a multiple of 31 because 31 × 43 = 13330
13641364 is a multiple of 31 because 31 × 44 = 13640
13951395 is a multiple of 31 because 31 × 45 = 13950
14261426 is a multiple of 31 because 31 × 46 = 14260
14571457 is a multiple of 31 because 31 × 47 = 14570
14881488 is a multiple of 31 because 31 × 48 = 14880
15191519 is a multiple of 31 because 31 × 49 = 15190
15501550 is a multiple of 31 because 31 × 50 = 15500
15811581 is a multiple of 31 because 31 × 51 = 15810
16121612 is a multiple of 31 because 31 × 52 = 16120
16431643 is a multiple of 31 because 31 × 53 = 16430
16741674 is a multiple of 31 because 31 × 54 = 16740
17051705 is a multiple of 31 because 31 × 55 = 17050
17361736 is a multiple of 31 because 31 × 56 = 17360
17671767 is a multiple of 31 because 31 × 57 = 17670
17981798 is a multiple of 31 because 31 × 58 = 17980
18291829 is a multiple of 31 because 31 × 59 = 18290
18601860 is a multiple of 31 because 31 × 60 = 18600
18911891 is a multiple of 31 because 31 × 61 = 18910
19221922 is a multiple of 31 because 31 × 62 = 19220
19531953 is a multiple of 31 because 31 × 63 = 19530
19841984 is a multiple of 31 because 31 × 64 = 19840
20152015 is a multiple of 31 because 31 × 65 = 20150
20462046 is a multiple of 31 because 31 × 66 = 20460
20772077 is a multiple of 31 because 31 × 67 = 20770
21082108 is a multiple of 31 because 31 × 68 = 21080
21392139 is a multiple of 31 because 31 × 69 = 21390
21702170 is a multiple of 31 because 31 × 70 = 21700
22012201 is a multiple of 31 because 31 × 71 = 22010
22322232 is a multiple of 31 because 31 × 72 = 22320
22632263 is a multiple of 31 because 31 × 73 = 22630
22942294 is a multiple of 31 because 31 × 74 = 22940
23252325 is a multiple of 31 because 31 × 75 = 23250
23562356 is a multiple of 31 because 31 × 76 = 23560
23872387 is a multiple of 31 because 31 × 77 = 23870
24182418 is a multiple of 31 because 31 × 78 = 24180
24492449 is a multiple of 31 because 31 × 79 = 24490
24802480 is a multiple of 31 because 31 × 80 = 24800
25112511 is a multiple of 31 because 31 × 81 = 25110
25422542 is a multiple of 31 because 31 × 82 = 25420
25732573 is a multiple of 31 because 31 × 83 = 25730
26042604 is a multiple of 31 because 31 × 84 = 26040
26352635 is a multiple of 31 because 31 × 85 = 26350
26662666 is a multiple of 31 because 31 × 86 = 26660
26972697 is a multiple of 31 because 31 × 87 = 26970
27282728 is a multiple of 31 because 31 × 88 = 27280
27592759 is a multiple of 31 because 31 × 89 = 27590
27902790 is a multiple of 31 because 31 × 90 = 27900
28212821 is a multiple of 31 because 31 × 91 = 28210
28522852 is a multiple of 31 because 31 × 92 = 28520
28832883 is a multiple of 31 because 31 × 93 = 28830
29142914 is a multiple of 31 because 31 × 94 = 29140
29452945 is a multiple of 31 because 31 × 95 = 29450
29762976 is a multiple of 31 because 31 × 96 = 29760
30073007 is a multiple of 31 because 31 × 97 = 30070
30383038 is a multiple of 31 because 31 × 98 = 30380
30693069 is a multiple of 31 because 31 × 99 = 30690
31003100 is a multiple of 31 because 31 × 100 = 31000

Read More About Multiples of 31

Table of 31

Important Notes

Definition:

  • Multiples of 31 are numbers that can be expressed as 31 times an integer. Mathematically, a multiple of 31 is in the form 31×n, where n is an integer.

Sequence:

  • The sequence of multiples of 31 starts at 31 and increases by 31 with each subsequent multiple: 31, 62, 93, 124, 155, 186, etc.

Divisibility Rule:

  • A number is a multiple of 31 if, after dividing it by 31, the result is an integer without any remainder. For example, 155 is a multiple of 31 because 155÷31 = 5, which is an integer.

Properties:

Multiples of 31 share certain properties:

  • They are evenly spaced on the number line, with a constant difference of 31 between consecutive multiples.
  • Every multiple of 31 is also a multiple of 1, 31, and their divisors (if any).

Applications:

  • Multiples of 31 can be useful in various mathematical and practical contexts, such as finding common multiples in problem-solving, understanding patterns in number theory, and solving equations that involve factors of 31.

Examples on Multiples of 31

Simple Multiples

  • 31×1 = 31
  • 31×2 = 62
  • 31×3 = 93

Larger Multiples

  • 1×20 = 620
  • 1×50 = 1550
  • 31×100 = 310

Real-Life Examples

  • Days in a month: Most months have 30 or 31 days. For example, January has 31 days which is a multiple of 31 (31×1).
  • Calendar years: 1860 is a multiple of 31 (31×60 = 1860).

Practical Examples of Multiples of 31

What is the 15th multiple of 31?

The 15th multiple of 31 is 31×15 = 465.

Is 248 a multiple of 31?

No, 248 is not a multiple of 31 because it cannot be expressed as 31×n.

What is the next multiple of 31 after 62?

The next multiple of 31 after 62 is 62+31 = 93.

Find the 25th multiple of 31.

The 25th multiple of 31 is 31×25 = 775.

Is 961 a multiple of 31?

Yes, 961 is a multiple of 31 because 31×31 = 961.

FAQs

What is a multiple of 31?

A multiple of 31 is any number that can be expressed as 31 times an integer. For example, 31, 62, 93, etc.

How do you determine if a number is a multiple of 31?

To determine if a number is a multiple of 31, divide the number by 31. If the quotient is an integer with no remainder, the number is a multiple of 31.

What is the smallest positive multiple of 31?

The smallest positive multiple of 31 is 31 itself (31×1 = 31).

What are the first five multiples of 31?

The first five multiples of 31 are 31, 62, 93, 124, and 155.

Is 465 a multiple of 31?

Yes, 465 is a multiple of 31 because 465 ÷ 31 = 15, which is an integer (31×15 = 465).

What is the 10th multiple of 31?

The 10th multiple of 31 is 31×10 = 310.

How can multiples of 31 be used in real life?

Multiples of 31 can be used in various contexts such as scheduling events (every 31 days), batch processing in manufacturing, or organizing data sets.

What is the sum of the first three multiples of 31?

The sum of the first three multiples of 31 is 31 + 62 + 93 = 186.

Can multiples of 31 be negative?

Yes, multiples of 31 can be negative. For example, -31, -62, and -93 are all multiples of 31.

What is the largest multiple of 31 under 1000?

The largest multiple of 31 under 1000 is 31×32 = 992, as 31×33 = 1023 which is greater than 1000.

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