Q: Is 140,121,205 a Prime Number?

 A: No, 140,121,205 is not a prime number.

Why is 140,121,205 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 140121205 can be evenly divided by 1 5 7 35 151 755 1,057 5,285 26,513 132,565 185,591 927,955 4,003,463 20,017,315 28,024,241 and 140,121,205, with no remainder.

Since 140,121,205 cannot be divided by just 1 and 140,121,205, it is not a prime number.


More Examples

  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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