Q: Is 4,240 a Prime Number?

A: No, 4,240 is not a prime number.

Why is 4,240 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 4240 can be evenly divided by 1 2 4 5 8 10 16 20 40 53 80 106 212 265 424 530 848 1,060 2,120 and 4,240, with no remainder.

Since 4,240 cannot be divided by just 1 and 4,240, it is not a prime number.

Number	4,238	4,239	4,241	4,242
Prime?	no	no	yes	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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