Is 31 a prime number?
Yes
No
Neither
Sometimes
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Is 31 a Prime Number or Composite Number [Why & Why not Detailed Guide]
Is 31 a Prime Number or Composite Number [Why & Why not Detailed Guide]
Is 31 a Prime Number?
Yes – 31 is a prime number.
Why Yes: 31 is a prime number because it fulfils the prime criteria of having exactly two distinct positive divisors: 1 and itself (31). See any number if it’s prime number or not
Is 31 a Composite Number?
NO – 31 is not a Composite Number
Why No: This is correct; 31 is not a composite number because it does not have more than two distinct positive divisors. It only has two: 1 and itself (31).
Problem Statements
| Property | Answer |
|---|---|
| Is 31 a prime number? | Yes |
| Is 31 a composite number? | No |
| Is 31 a perfect square? | No |
| Factors of 31 | 1, 31 |
| Multiples of 31 | 31, 62, 93, 124, 155, 186, 217, 248, 279, 310 |
| Cube Root of 31 | 3.14 |
| Square of 31 | 961 |
| Square Root of 31 | 5.57 |
| Is 31 a Perfect Square? | No |
| Is 31 a Perfect Cube? | No |
| Is 31 an Irrational number? | No |
| Is 31 a Rational number? | Yes |
| Is 31 a Real number? | Yes |
| Is 31 an Integer? | Yes |
| Is 31 a Natural number? | Yes |
| Is 31 a Whole number? | Yes |
| Is 31 an Even or odd number? | No (31 is an odd number) |
| Is 31 an Ordinal number? | Yes |
| Is 31 a Complex number? | Yes (as all real numbers are also complex numbers) |
What are the factors of 31?
The factors of 31 are 1 and 31. Since 31 is a prime number, its only factors are 1 and itself. There are no more factors of 31.
What Kind of Number is 31?
- The factors of 31 are 1 and 31.
- 31 is a prime number.
- 31 is one of the odd prime numbers and is an odd number.
- 31 is considered a significant number in various contexts.
- 31 is a natural number.
- 31 is a positive integer.
- 31 is not a composite number.
- 31 is an odd number.
- 31 is a rational number.
- 31 is a whole number.
31 is recognized as a prime number because it has exactly two divisors: 1 and itself, distinguishing it from composite numbers that have more than two divisors. The number 31 holds a unique place in mathematics and various cultural contexts, often associated with its indivisibility and purity.
FAQS
What is 31 as a number?
31 is a prime number, indivisible by any number other than 1 and itself, making it unique among integers for its distinct prime property.
Is 31 an Integer?
Yes, 31 is an integer. It’s a whole number that is not a fraction or decimal, fitting perfectly within the set of integers which includes all whole numbers and their negatives.
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Is 31 a Prime Number or Composite Number [Why & Why not Detailed Guide]
Is 31 a Prime Number?
Yes – 31 is a prime number.
Why Yes: 31 is a prime number because it fulfils the prime criteria of having exactly two distinct positive divisors: 1 and itself (31). See any number if it’s prime number or not
Is 31 a Composite Number?
NO – 31 is not a Composite Number
Why No: This is correct; 31 is not a composite number because it does not have more than two distinct positive divisors. It only has two: 1 and itself (31).
Problem Statements
Property | Answer |
|---|---|
Is 31 a prime number? | Yes |
Is 31 a composite number? | No |
Is 31 a perfect square? | No |
Factors of 31 | 1, 31 |
Multiples of 31 | 31, 62, 93, 124, 155, 186, 217, 248, 279, 310 |
Cube Root of 31 | 3.14 |
Square of 31 | 961 |
Square Root of 31 | 5.57 |
Is 31 a Perfect Square? | No |
Is 31 a Perfect Cube? | No |
Is 31 an Irrational number? | No |
Is 31 a Rational number? | Yes |
Is 31 a Real number? | Yes |
Is 31 an Integer? | Yes |
Is 31 a Natural number? | Yes |
Is 31 a Whole number? | Yes |
Is 31 an Even or odd number? | No (31 is an odd number) |
Is 31 an Ordinal number? | Yes |
Is 31 a Complex number? | Yes (as all real numbers are also complex numbers) |
What are the factors of 31?
The factors of 31 are 1 and 31. Since 31 is a prime number, its only factors are 1 and itself. There are no more factors of 31.
What Kind of Number is 31?
The factors of 31 are 1 and 31.
31 is a prime number.
31 is one of the odd prime numbers and is an odd number.
31 is considered a significant number in various contexts.
31 is a natural number.
31 is a positive integer.
31 is not a composite number.
31 is an odd number.
31 is a rational number.
31 is a whole number.
31 is recognized as a prime number because it has exactly two divisors: 1 and itself, distinguishing it from composite numbers that have more than two divisors. The number 31 holds a unique place in mathematics and various cultural contexts, often associated with its indivisibility and purity.
FAQS
What is 31 as a number?
31 is a prime number, indivisible by any number other than 1 and itself, making it unique among integers for its distinct prime property.
Is 31 an Integer?
Yes, 31 is an integer. It’s a whole number that is not a fraction or decimal, fitting perfectly within the set of integers which includes all whole numbers and their negatives.
Prime Number Checker
Practice Test
How many factors does 31 have?
1
2
3
4
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Which of the following numbers is similar to 31 in terms of being a prime number?
27
29
33
35
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What is the remainder when 31 is divided by any number other than 1 and itself?
1
2
0
Varies
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Which of the following sets includes only prime numbers?
27, 31, 45
31, 37, 41
31, 33, 39
31, 32, 34
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If a number is divisible by 31, what can you say about it?
It is not a prime number
It must be a multiple of 31
It is less than 31
It is always even
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Is 31 a composite number?
Yes
No
Only sometimes
Depends on the context
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Which of the following numbers is closest to 31 and is also a prime number?
29
30
31
32
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Which statement is true about the number 31?
It has three factors
It is an even number
It is a prime number
It is a composite number
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What property does 31 share with all prime numbers?
It is divisible by at least two different numbers
It is divisible only by itself and 1
It is an even number
It has more than two factors
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