Q: Is 421,149 a Prime Number?

A: No, 421,149 is not a prime number.

Why is 421,149 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 421149 can be evenly divided by 1 3 79 237 1,777 5,331 140,383 and 421,149, with no remainder.

Since 421,149 cannot be divided by just 1 and 421,149, it is not a prime number.

Number	421,147	421,148	421,150	421,151
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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