Q: Is 20,235 a Prime Number?

A: No, 20,235 is not a prime number.

Why is 20,235 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 20235 can be evenly divided by 1 3 5 15 19 57 71 95 213 285 355 1,065 1,349 4,047 6,745 and 20,235, with no remainder.

Since 20,235 cannot be divided by just 1 and 20,235, it is not a prime number.

Number	20,233	20,234	20,236	20,237
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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