Q: Is 600,423 a Prime Number?

A: No, 600,423 is not a prime number.

Why is 600,423 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 600423 can be evenly divided by 1 3 17 51 61 183 193 579 1,037 3,111 3,281 9,843 11,773 35,319 200,141 and 600,423, with no remainder.

Since 600,423 cannot be divided by just 1 and 600,423, it is not a prime number.

Number	600,421	600,422	600,424	600,425
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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