Q: Is 100,395 a Prime Number?

A: No, 100,395 is not a prime number.

Why is 100,395 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 100395 can be evenly divided by 1 3 5 9 15 23 45 69 97 115 207 291 345 485 873 1,035 1,455 2,231 4,365 6,693 11,155 20,079 33,465 and 100,395, with no remainder.

Since 100,395 cannot be divided by just 1 and 100,395, it is not a prime number.

Number	100,393	100,394	100,396	100,397
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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