Q: Is 90,423 a Prime Number?

A: No, 90,423 is not a prime number.

Why is 90,423 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 90423 can be evenly divided by 1 3 9 17 27 51 153 197 459 591 1,773 3,349 5,319 10,047 30,141 and 90,423, with no remainder.

Since 90,423 cannot be divided by just 1 and 90,423, it is not a prime number.

Number	90,421	90,422	90,424	90,425
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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