Q: Is 123,100 a Prime Number?

A: No, 123,100 is not a prime number.

Why is 123,100 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 123100 can be evenly divided by 1 2 4 5 10 20 25 50 100 1,231 2,462 4,924 6,155 12,310 24,620 30,775 61,550 and 123,100, with no remainder.

Since 123,100 cannot be divided by just 1 and 123,100, it is not a prime number.

Number	123,098	123,099	123,101	123,102
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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