Q: Is 443,439 a Prime Number?

A: No, 443,439 is not a prime number.

Why is 443,439 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 443439 can be evenly divided by 1 3 9 29 87 261 1,699 5,097 15,291 49,271 147,813 and 443,439, with no remainder.

Since 443,439 cannot be divided by just 1 and 443,439, it is not a prime number.

Number	443,437	443,438	443,440	443,441
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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