Q:
# Is 43 a Prime Number?

**Forty-three is a prime number.** This is due to the fact that it can only be divided by itself and the number one, which is how a number qualifies as a prime number.

For a number to be a prime number, it can not be divisible wholly by any number other than itself and one. As there are no other numbers that can be completely divided into the number 43 without anything being left over, that makes 43 a member of the set of prime numbers. The list of prime numbers begins with the number two, and 43 is the 13th prime number.

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Q:
## Is 87 a Prime Number?

A: 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. Full Answer >Filed Under: -
Q:
## Is 49 a Prime Number?

A: The number 49 is divisible by seven, so it is not a prime number. A prime number is a number that is only divisible by the number 1 and itself. Full Answer >Filed Under: -
Q:
## Is 7 a Prime Number?

A: Seven is a prime number. A prime number is a positive number that only has two possible divisible numbers. A prime number can only be divided by one and it... Full Answer >Filed Under: -
Q:
## Is Two a Prime Number?

A: Two is a prime number. Two is the smallest prime number and the only even prime number, since all other even numbers divide by two. Full Answer >Filed Under: