Q: Is 100,121,103 a Prime Number?

 A: No, 100,121,103 is not a prime number.

Why is 100,121,103 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 100121103 can be evenly divided by 1 3 9 27 31 81 93 243 279 837 2,511 7,533 13,291 39,873 119,619 358,857 412,021 1,076,571 1,236,063 3,229,713 3,708,189 11,124,567 33,373,701 and 100,121,103, with no remainder.

Since 100,121,103 cannot be divided by just 1 and 100,121,103, it is not a prime number.


More Examples

Number 100,121,101100,121,102100,121,104100,121,105
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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