Q: Is 420,495 a Prime Number?

 A: No, 420,495 is not a prime number.

Why is 420,495 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 420495 can be evenly divided by 1 3 5 15 17 51 85 97 255 289 291 485 867 1,445 1,455 1,649 4,335 4,947 8,245 24,735 28,033 84,099 140,165 and 420,495, with no remainder.

Since 420,495 cannot be divided by just 1 and 420,495, it is not a prime number.


More Examples

Number 420,493420,494420,496420,497
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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