Q: Is 661,979 a Prime Number?

A: No, 661,979 is not a prime number.

Why is 661,979 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 661979 can be evenly divided by 1 19 34,841 and 661,979, with no remainder.

Since 661,979 cannot be divided by just 1 and 661,979, it is not a prime number.

Number	661,977	661,978	661,980	661,981
Prime?	no	no	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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