Q: Is 23,142 a Prime Number?

A: No, 23,142 is not a prime number.

Why is 23,142 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 23142 can be evenly divided by 1 2 3 6 7 14 19 21 29 38 42 57 58 87 114 133 174 203 266 399 406 551 609 798 1,102 1,218 1,653 3,306 3,857 7,714 11,571 and 23,142, with no remainder.

Since 23,142 cannot be divided by just 1 and 23,142, it is not a prime number.

Number	23,140	23,141	23,143	23,144
Prime?	no	no	yes	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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