Q: Is 42,007,255 a Prime Number?

 A: No, 42,007,255 is not a prime number.

Why is 42,007,255 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 42007255 can be evenly divided by 1 5 17 85 317 1,559 1,585 5,389 7,795 26,503 26,945 132,515 494,203 2,471,015 8,401,451 and 42,007,255, with no remainder.

Since 42,007,255 cannot be divided by just 1 and 42,007,255, it is not a prime number.


More Examples

Number 42,007,25342,007,25442,007,25642,007,257
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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