Q: Is 142,603 a Prime Number?

A: No, 142,603 is not a prime number.

Why is 142,603 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 142603 can be evenly divided by 1 59 2,417 and 142,603, with no remainder.

Since 142,603 cannot be divided by just 1 and 142,603, it is not a prime number.

Number	142,601	142,602	142,604	142,605
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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