Q: Is 42,403,420 a Prime Number?

 A: No, 42,403,420 is not a prime number.

Why is 42,403,420 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 42403420 can be evenly divided by 1 2 4 5 10 20 2,120,171 4,240,342 8,480,684 10,600,855 21,201,710 and 42,403,420, with no remainder.

Since 42,403,420 cannot be divided by just 1 and 42,403,420, it is not a prime number.


More Examples

Number 42,403,41842,403,41942,403,42142,403,422
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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