Q: Is 25,185 a Prime Number?

A: No, 25,185 is not a prime number.

Why is 25,185 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 25185 can be evenly divided by 1 3 5 15 23 69 73 115 219 345 365 1,095 1,679 5,037 8,395 and 25,185, with no remainder.

Since 25,185 cannot be divided by just 1 and 25,185, it is not a prime number.

Number	25,183	25,184	25,186	25,187
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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