Q: Is 120,312,315 a Prime Number?

 A: No, 120,312,315 is not a prime number.

Why is 120,312,315 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 120312315 can be evenly divided by 1 3 5 9 15 17 45 51 85 153 255 765 157,271 471,813 786,355 1,415,439 2,359,065 2,673,607 7,077,195 8,020,821 13,368,035 24,062,463 40,104,105 and 120,312,315, with no remainder.

Since 120,312,315 cannot be divided by just 1 and 120,312,315, 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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