Q: Is 105,975 a Prime Number?

A: No, 105,975 is not a prime number.

Why is 105,975 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 105975 can be evenly divided by 1 3 5 9 15 25 27 45 75 135 157 225 471 675 785 1,413 2,355 3,925 4,239 7,065 11,775 21,195 35,325 and 105,975, with no remainder.

Since 105,975 cannot be divided by just 1 and 105,975, it is not a prime number.

Number	105,973	105,974	105,976	105,977
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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