Q: Is 123,180 a Prime Number?

A: No, 123,180 is not a prime number.

Why is 123,180 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 123180 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 2,053 4,106 6,159 8,212 10,265 12,318 20,530 24,636 30,795 41,060 61,590 and 123,180, with no remainder.

Since 123,180 cannot be divided by just 1 and 123,180, it is not a prime number.

Number	123,178	123,179	123,181	123,182
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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