Q: Is 501,998 a Prime Number?

A: No, 501,998 is not a prime number.

Why is 501,998 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 501998 can be evenly divided by 1 2 7 14 23 46 161 322 1,559 3,118 10,913 21,826 35,857 71,714 250,999 and 501,998, with no remainder.

Since 501,998 cannot be divided by just 1 and 501,998, it is not a prime number.

Number	501,996	501,997	501,999	502,000
Prime?	no	yes	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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