Q: Is 501,015 a Prime Number?

A: No, 501,015 is not a prime number.

Why is 501,015 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 501015 can be evenly divided by 1 3 5 15 127 263 381 635 789 1,315 1,905 3,945 33,401 100,203 167,005 and 501,015, with no remainder.

Since 501,015 cannot be divided by just 1 and 501,015, it is not a prime number.

Number	501,013	501,014	501,016	501,017
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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