Q: Is 142,423 a Prime Number?

A: No, 142,423 is not a prime number.

Why is 142,423 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 142423 can be evenly divided by 1 73 1,951 and 142,423, with no remainder.

Since 142,423 cannot be divided by just 1 and 142,423, it is not a prime number.

Number	142,421	142,422	142,424	142,425
Prime?	yes	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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