Q: Is 28,425 a Prime Number?

A: No, 28,425 is not a prime number.

Why is 28,425 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 28425 can be evenly divided by 1 3 5 15 25 75 379 1,137 1,895 5,685 9,475 and 28,425, with no remainder.

Since 28,425 cannot be divided by just 1 and 28,425, it is not a prime number.

Number	28,423	28,424	28,426	28,427
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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