Q: Is 42,187,755 a Prime Number?

 A: No, 42,187,755 is not a prime number.

Why is 42,187,755 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 42187755 can be evenly divided by 1 3 5 15 863 2,589 3,259 4,315 9,777 12,945 16,295 48,885 2,812,517 8,437,551 14,062,585 and 42,187,755, with no remainder.

Since 42,187,755 cannot be divided by just 1 and 42,187,755, it is not a prime number.


More Examples

  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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