Q: Is 501,872 a Prime Number?

A: No, 501,872 is not a prime number.

Why is 501,872 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 501872 can be evenly divided by 1 2 4 7 8 14 16 28 56 112 4,481 8,962 17,924 31,367 35,848 62,734 71,696 125,468 250,936 and 501,872, with no remainder.

Since 501,872 cannot be divided by just 1 and 501,872, it is not a prime number.

Number	501,870	501,871	501,873	501,874
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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