Q: Is 31,077,980 a Prime Number?

 A: No, 31,077,980 is not a prime number.

Why is 31,077,980 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 31077980 can be evenly divided by 1 2 4 5 10 20 179 358 716 895 1,790 3,580 8,681 17,362 34,724 43,405 86,810 173,620 1,553,899 3,107,798 6,215,596 7,769,495 15,538,990 and 31,077,980, with no remainder.

Since 31,077,980 cannot be divided by just 1 and 31,077,980, 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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