Q: Is 140,343 a Prime Number?

A: No, 140,343 is not a prime number.

Why is 140,343 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 140343 can be evenly divided by 1 3 7 21 41 123 163 287 489 861 1,141 3,423 6,683 20,049 46,781 and 140,343, with no remainder.

Since 140,343 cannot be divided by just 1 and 140,343, it is not a prime number.

Number	140,341	140,342	140,344	140,345
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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