Q: Is 20,835 a Prime Number?

A: No, 20,835 is not a prime number.

Why is 20,835 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 20835 can be evenly divided by 1 3 5 9 15 45 463 1,389 2,315 4,167 6,945 and 20,835, with no remainder.

Since 20,835 cannot be divided by just 1 and 20,835, it is not a prime number.

Number	20,833	20,834	20,836	20,837
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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