Q: Is 100,845 a Prime Number?

A: No, 100,845 is not a prime number.

Why is 100,845 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 100845 can be evenly divided by 1 3 5 9 15 27 45 81 83 135 243 249 405 415 747 1,215 1,245 2,241 3,735 6,723 11,205 20,169 33,615 and 100,845, with no remainder.

Since 100,845 cannot be divided by just 1 and 100,845, it is not a prime number.

Number	100,843	100,844	100,846	100,847
Prime?	no	no	no	yes

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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