Q: Is 321,224 a Prime Number?

A: No, 321,224 is not a prime number.

Why is 321,224 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 321224 can be evenly divided by 1 2 4 8 40,153 80,306 160,612 and 321,224, with no remainder.

Since 321,224 cannot be divided by just 1 and 321,224, it is not a prime number.

Number	321,222	321,223	321,225	321,226
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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