Q: Is 120,100,121 a Prime Number?

 A: No, 120,100,121 is not a prime number.

Why is 120,100,121 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 120100121 can be evenly divided by 1 17 19 71 323 1,207 1,349 5,237 22,933 89,029 99,503 371,827 1,691,551 6,321,059 7,064,713 and 120,100,121, with no remainder.

Since 120,100,121 cannot be divided by just 1 and 120,100,121, it is not a prime number.


More Examples

Number 120,100,119120,100,120120,100,122120,100,123
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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