Q: Is 628,004 a Prime Number?

A: No, 628,004 is not a prime number.

Why is 628,004 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 628004 can be evenly divided by 1 2 4 13 26 52 169 338 676 929 1,858 3,716 12,077 24,154 48,308 157,001 314,002 and 628,004, with no remainder.

Since 628,004 cannot be divided by just 1 and 628,004, it is not a prime number.

Number	628,002	628,003	628,005	628,006
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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