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.