Q:
# Is the Number 121 a Prime Number?

**The number 121 is not a prime number.** A prime number must have only two factors, 1 and the number itself. However, the number 121 has three factors as 11 is a also factor of 121 in addition to 1 and 121 itself.

A prime number is not divisible by any other number other than the number 1 and itself. To find out if a number is prime number its factors are obtained. The factors of 121 are 1, 11 and 121. Similarly, the factors of 43 are 1 and 43 only. This makes 43 a prime number. However, the number 50 has 1, 2, 5, 10 and 50 as its factors. Thus 50 is not a prime number but a composite number.

Learn more about Numbers-
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: -
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:
## Is 33 a Prime Number?

A: The number 33 is not a prime number. Prime numbers only have factors of themselves and 1. The positive factors of 33 are 1, 3, 11 and 33. 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: