Q: Is 139,977 a Prime Number?

A: No, 139,977 is not a prime number.

Why is 139,977 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 139977 can be evenly divided by 1 3 9 103 151 309 453 927 1,359 15,553 46,659 and 139,977, with no remainder.

Since 139,977 cannot be divided by just 1 and 139,977, it is not a prime number.

Number	139,975	139,976	139,978	139,979
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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