Q: Is 120,001 a Prime Number?

A: No, 120,001 is not a prime number.

Why is 120,001 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 120001 can be evenly divided by 1 7 31 49 79 217 553 1,519 2,449 3,871 17,143 and 120,001, with no remainder.

Since 120,001 cannot be divided by just 1 and 120,001, it is not a prime number.

Number	119,999	120,000	120,002	120,003
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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