Q: Is 6,375 a Prime Number?

A: No, 6,375 is not a prime number.

Why is 6,375 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 6375 can be evenly divided by 1 3 5 15 17 25 51 75 85 125 255 375 425 1,275 2,125 and 6,375, with no remainder.

Since 6,375 cannot be divided by just 1 and 6,375, it is not a prime number.

Number	6,373	6,374	6,376	6,377
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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