Q:
# Is 89 a Prime Number?

**Eighty-nine is a prime number.** To check for a prime number, divide it by every number from two to one less than the number (88 in this case). If no smaller number can be evenly divided into the number, which is the case for 88,Â then it is prime.

Prime numbers are a special group of numbers that have no factors other than one and themselves. A factor of a number refers to any number that can be divided into a number to yield a whole result. For example, four is a factor of 12 because 12 divided by four works out evenly to yield three.

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Q:
## What Are the Prime Factors of 12?

A: The prime factors of 12 are 2 and 3. A prime number is a number greater than 1 that cannot be divided by any number except itself and 1. Both 2 and 3 are p... Full Answer >Filed Under: -
Q:
## What Is the Prime Factorization of 72?

A: The prime factorization of 72 is 23x 32, or 2 x 2 x 2 x 3 x 3. The prime factorization of a number involves determining the factors of a number that are al... 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: -
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: