Q: Is 100,725 a Prime Number?

A: No, 100,725 is not a prime number.

Why is 100,725 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 100725 can be evenly divided by 1 3 5 15 17 25 51 75 79 85 237 255 395 425 1,185 1,275 1,343 1,975 4,029 5,925 6,715 20,145 33,575 and 100,725, with no remainder.

Since 100,725 cannot be divided by just 1 and 100,725, it is not a prime number.

Number	100,723	100,724	100,726	100,727
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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