Q: Is 100,125,123 a Prime Number?

 A: No, 100,125,123 is not a prime number.

Why is 100,125,123 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 100125123 can be evenly divided by 1 3 7 21 71 213 497 1,491 67,153 201,459 470,071 1,410,213 4,767,863 14,303,589 33,375,041 and 100,125,123, with no remainder.

Since 100,125,123 cannot be divided by just 1 and 100,125,123, it is not a prime number.


More Examples

Number 100,125,121100,125,122100,125,124100,125,125
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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