Q:
# Is 87 a Prime Number?

**The number 87 is not a prime number.** The factors of 87 are 1, 3 and 29. A prime number must have only two factors, the numbers one and the number itself.

To find out whether any given number is a prime number, its factors must be obtained. Numbers that have more than two factors are called composite numbers. All even numbers are divisible by two, and hence all even numbers, except the number two, are composite numbers. The number two is the only even prime number and the smallest prime number. The number one is neither prime nor composite.

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Q:
## Is 2 a Prime Number?

A: Yes, 2 is a prime number. In fact, 2 is the only even number that is prime. A prime number is a number that has only two factors, the number 1 and itself. Full Answer >Filed Under: -
Q:
## Is 69 a Prime Number?

A: The number 69 is not a prime number, as it has the factors of 3 and 23. A prime number is one which is only evenly divisible by itself and the number 1. Full Answer >Filed Under: -
Q:
## Is Three a Prime Number?

A: The number 3 is a prime number. A prime number is a positive number that can only be divided evenly by the number 1 and itself. Full Answer >Filed Under: -
Q:
## Is Five a Prime Number?

A: Five is a prime number. A prime number is a number which only has two factors. Those two factors are one and the number itself. Full Answer >Filed Under: