Q: Is 100,625 a Prime Number?

A: No, 100,625 is not a prime number.

Why is 100,625 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 100625 can be evenly divided by 1 5 7 23 25 35 115 125 161 175 575 625 805 875 2,875 4,025 4,375 14,375 20,125 and 100,625, with no remainder.

Since 100,625 cannot be divided by just 1 and 100,625, it is not a prime number.

Number	100,623	100,624	100,626	100,627
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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