Q: Is 172,235 a Prime Number?

A: No, 172,235 is not a prime number.

Why is 172,235 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 172235 can be evenly divided by 1 5 7 19 35 37 49 95 133 185 245 259 665 703 931 1,295 1,813 3,515 4,655 4,921 9,065 24,605 34,447 and 172,235, with no remainder.

Since 172,235 cannot be divided by just 1 and 172,235, it is not a prime number.

Number	172,233	172,234	172,236	172,237
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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