Q: Is 421,204 a Prime Number?

 A: No, 421,204 is not a prime number.

Why is 421,204 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 421204 can be evenly divided by 1 2 4 7 14 28 49 98 196 307 343 614 686 1,228 1,372 2,149 4,298 8,596 15,043 30,086 60,172 105,301 210,602 and 421,204, with no remainder.

Since 421,204 cannot be divided by just 1 and 421,204, it is not a prime number.


More Examples

Number 421,202421,203421,205421,206
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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