Q: Is 45,423 a Prime Number?

A: No, 45,423 is not a prime number.

Why is 45,423 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 45423 can be evenly divided by 1 3 7 9 21 49 63 103 147 309 441 721 927 2,163 5,047 6,489 15,141 and 45,423, with no remainder.

Since 45,423 cannot be divided by just 1 and 45,423, it is not a prime number.

Number	45,421	45,422	45,424	45,425
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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