Q: Is 423,420 a Prime Number?

 A: No, 423,420 is not a prime number.

Why is 423,420 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 423420 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 7,057 14,114 21,171 28,228 35,285 42,342 70,570 84,684 105,855 141,140 211,710 and 423,420, with no remainder.

Since 423,420 cannot be divided by just 1 and 423,420, it is not a prime number.


More Examples

Number 423,418423,419423,421423,422
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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