# Quick Answer: What Is A Factor Of 87?

## What are prime factors of 100?

Here is the basic factoring information for the number 100.100 is a composite number.Prime factorization: 100 = 2 × 2 × 5 × 5, which can be written 100 = 2²× 5²The exponents in the prime factorization are 2 and 2.

Factors of 100: 1, 2, 4, 5, 10, 20, 25, 50, 100.More items…•.

## What are the factors of 11?

Table of Factors and MultiplesFactorsMultiples1, 2, 5, 1010201, 1111221, 2, 3, 4, 6, 1212241, 13132641 more rows

## Why is 87 the devil’s number?

In sports. Cricket in Australia holds 87 as a superstitiously unlucky score and is referred to as “the devil’s number.” This originates from the fact that 87 is 13 runs short of a century. 187, 287 and so on are also considered unlucky but is not as common as 87 on its own.

## Is 87 prime or composite?

As prime numbers up to 9 are only {2,3,5,7} and number is divisible by 3 (one can check by using divisibility rule), 87 is not a prime number but is a composite number.

## What are the factors of 88?

88 = 1 x 88, 2 x 44, 4 x 22, and 8 x 11. Factors of 88: 1, 2, 4, 8, 11, 22, 44, 88.

## What are the factors of 100?

Here is the basic factoring information for the number 100.100 is a composite number.Prime factorization: 100 = 2 × 2 × 5 × 5, which can be written 100 = 2²× 5²The exponents in the prime factorization are 2 and 2. … Factors of 100: 1, 2, 4, 5, 10, 20, 25, 50, 100.More items…•

## Is 85 a prime or composite?

Answer and Explanation: 85 is not a prime number; it is a composite number. 85 can be divided evenly by 1 and by 85.

## What is a factor of 86?

86 is a composite number. 86 = 1 x 86 or 2 x 43. Factors of 86: 1, 2, 43, 86. Prime factorization: 86 = 2 x 43.

## What are the prime factors of 80?

Factors of 80: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80. Prime factorization: 80 = 2 x 2 x 2 x 2 x 5 which can also be written 80 = 2⁴ x 5.

## What are the factors for 81?

81 is a composite number and is 9 squared. 81 = 1 x 81, 3 x 27, or 9 x 9. Factors of 81: 1, 3, 9, 27, 81. Prime factorization: 81 = 3 x 3 x 3 x 3 which can also be written 3⁴.

## Is 72 prime or composite?

If the factors of 72 are only 72 and 1, then we know that 72 is a prime number. Otherwise, 72 is a composite number. To explain better, if 72 is only divisible by 1 and 72, then it is a prime number, and if 72 is divisible by more than 72 and 1, then it is a composite number.

## Is 80 a perfect square?

A: No, the number 80 is not a perfect square.

## What is the square of 87?

7569Answer: → The square of 87 is 7569 .

## What numbers can go into 87?

87 is a composite number. 87 = 1 x 87 or 3 x 29. Factors of 87: 1, 3, 29, 87. Prime factorization: 87 = 3 x 29.

## Is 87 a perfect number?

For 87 to be a prime number, it would have been required that 87 has only two divisors, i.e., itself and 1. However, 87 is a semiprime (also called biprime or 2-almost-prime), because it is the product of a two non-necessarily distinct prime numbers. Indeed, 87 = 3 x 29, where 3 and 29 are both prime numbers.

## What are the factors of 80?

The factors of 80 are 1, 2, 4, 5, 8, 10, 16, 20, 40 and 80.

## Is 17 prime or composite?

When a number has more than two factors it is called a composite number. Here are the first few prime numbers: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, etc.

## What is the greatest prime factor of 100?

The factors of 100 are: 1 × 100, 2 × 50, 4 × 24, 5 × 20, 10 ×10. The greatest prime factor of 100 is 5 = n.