Q: Is 470,421 a Prime Number?

 A: No, 470,421 is not a prime number.

Why is 470,421 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 470421 can be evenly divided by 1 3 7 9 19 21 27 57 63 131 133 171 189 393 399 513 917 1,179 1,197 2,489 2,751 3,537 3,591 7,467 8,253 17,423 22,401 24,759 52,269 67,203 156,807 and 470,421, with no remainder.

Since 470,421 cannot be divided by just 1 and 470,421, it is not a prime number.


More Examples

Number 470,419470,420470,422470,423
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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