Q: Is 402,421,431 a Prime Number?

 A: No, 402,421,431 is not a prime number.

Why is 402,421,431 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 402421431 can be evenly divided by 1 3 743 2,229 180,539 541,617 134,140,477 and 402,421,431, with no remainder.

Since 402,421,431 cannot be divided by just 1 and 402,421,431, it is not a prime number.


More Examples

Number 402,421,429402,421,430402,421,432402,421,433
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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