Q: Is 42,121,138 a Prime Number?

 A: No, 42,121,138 is not a prime number.

Why is 42,121,138 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 42121138 can be evenly divided by 1 2 17 19 34 38 323 646 65,203 130,406 1,108,451 1,238,857 2,216,902 2,477,714 21,060,569 and 42,121,138, with no remainder.

Since 42,121,138 cannot be divided by just 1 and 42,121,138, it is not a prime number.


More Examples

Number 42,121,13642,121,13742,121,13942,121,140
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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