Q: Is 4,378 a Prime Number?

A: No, 4,378 is not a prime number.

Why is 4,378 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 4378 can be evenly divided by 1 2 11 22 199 398 2,189 and 4,378, with no remainder.

Since 4,378 cannot be divided by just 1 and 4,378, it is not a prime number.

Number	4,376	4,377	4,379	4,380
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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