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Is 77 a Prime Number or Composite Number [Why & Why not Detailed Guide]

Last Updated: September 25, 2024

Is 77 a Prime Number or Composite Number [Why & Why not Detailed Guide]

Is-77-a-Prime-Number-or-Composite-Number

Is 77 a Prime Number?

No – 77 is not a prime number.

Why No: 77 is not a prime number because it does not meet the prime criteria of having exactly two distinct positive divisors: 1 and itself. Instead, 77 has additional divisors, specifically 7 and 11, indicating that it has more than two factors. See any number if it’s prime number or not.

Is 77 a Prime Number

Is 77 a Composite Number?

YES – 77 is a Composite Number.

Why Yes: 77 is a composite number because it has more than two distinct positive divisors. It has several divisors: 1, 7, 11, and itself (77), indicating that it is divisible by numbers other than just 1 and itself.

Is 77 a Composite Number

Property Answer
Is 77 a prime number? No
Is 77 a composite number? Yes
Is 77 a perfect square? No
Factors of 77 1, 7, 11, 77
Multiples of 77 77, 154, 231, 308, 385, 462, 539, 616, 693, 770
Cube Root of 77 Approximately 4.276
Square of 77 5929
Square Root of 77 Approximately 8.775
Is 77 a Perfect Cube? No
Is 77 an Irrational number No
Is 77 a Rational number Yes
Is 77 a Real number Yes
Is 77 an Integer Yes
Is 77 a Natural number Yes
Is 77 a Whole number Yes
Is 77 an Even or odd number Yes (77 is an odd number)
Is 77 an Ordinal number Yes
Is 77 a Complex number Yes (as all real numbers are also complex numbers)

What are the Factors of 77?

The factors of 77 are 1, 7, 11, and 77.

What Kind of Number is 77?

  • 77 is a composite number because it has more than two distinct positive divisors: 1, 7, 11, and 77.
  • 77 is one of the odd numbers; it is an odd number.
  • 77 is a natural number.
  • 77 is a positive integer.
  • 77 is discussed in the context of composite numbers rather than prime numbers.
  • 77 is an odd number.
  • 77 is a rational number.
  • 77 is a whole number.
  • Being divisible by numbers other than 1 and itself, 77 clearly distinguishes itself from prime numbers.
  • As an odd number, 77 has unique properties and applications in various mathematical contexts.

Nearest Prime Number of 77

The nearest prime numbers to 77 are 73 and 79. 73 is the closest prime number less than 77, and 79 is the closest prime number greater than 77.

FAQS

Negative Factors of 77?

The negative factors of 77 are -1, -7, -11, and -77.

Sum of Factors of 77?

The sum of the factors of 77 (1, 7, 11, and 77) is 96

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Practice Test

Is 77 a prime number?

No

Yes

 It depends on the definition

None of the above

of 10

Which of the following is true about 77?

77 is a prime number

77 is a perfect square

77 is a composite number

77 is less than 50

of 10

How can you determine that 77 is a composite number?

By checking if it can be divided by 2

By finding it has exactly three factors

By confirming it has more than two factors

By checking if it is a multiple of 10

of 10

What characteristic of 77 indicates it is not a prime number?

It is divisible by 1

It ends in 7

 It can be divided evenly by numbers other than 1 and itself

It is greater than 50

of 10

If a number like 77 can be expressed as a product of 7 and 11, what can be said about it?

 It is a prime number

It is a perfect square

It is a composite number

It is an irrational number

of 10

Which of the following numbers is a factor of 77?

15

11

20

9

of 10

Which number would be a divisor of 77?

5

7

14

21

of 10

How many factors does 77 have?

3

4

2

5

of 10

Which of these statements accurately describes 77?

It has exactly two factors

It is divisible by 7 and 11

It is a perfect square

It is an even number

of 10

What is the result of dividing 77 by 7?

11

14

15

10

of 10

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