Q: Is 4,131 a Prime Number?

A: No, 4,131 is not a prime number.

Why is 4,131 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 4131 can be evenly divided by 1 3 9 17 27 51 81 153 243 459 1,377 and 4,131, with no remainder.

Since 4,131 cannot be divided by just 1 and 4,131, it is not a prime number.

Number	4,129	4,130	4,132	4,133
Prime?	yes	no	no	yes

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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