Q: Is 72,421,437 a Prime Number?

 A: No, 72,421,437 is not a prime number.

Why is 72,421,437 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 72421437 can be evenly divided by 1 3 11 33 503 1,509 4,363 5,533 13,089 16,599 47,993 143,979 2,194,589 6,583,767 24,140,479 and 72,421,437, with no remainder.

Since 72,421,437 cannot be divided by just 1 and 72,421,437, it is not a prime number.


More Examples

  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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