Q: Is 140,385 a Prime Number?

A: No, 140,385 is not a prime number.

Why is 140,385 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 140385 can be evenly divided by 1 3 5 7 15 21 35 49 105 147 191 245 573 735 955 1,337 2,865 4,011 6,685 9,359 20,055 28,077 46,795 and 140,385, with no remainder.

Since 140,385 cannot be divided by just 1 and 140,385, it is not a prime number.

Number	140,383	140,384	140,386	140,387
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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