Q: Is 123,980 a Prime Number?

A: No, 123,980 is not a prime number.

Why is 123,980 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 123980 can be evenly divided by 1 2 4 5 10 20 6,199 12,398 24,796 30,995 61,990 and 123,980, with no remainder.

Since 123,980 cannot be divided by just 1 and 123,980, it is not a prime number.

Number	123,978	123,979	123,981	123,982
Prime?	no	yes	no	no

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

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