Q: Is 138,688 a Prime Number?

 A: No, 138,688 is not a prime number.

Why is 138,688 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 138688 can be evenly divided by 1 2 4 8 11 16 22 32 44 64 88 176 197 352 394 704 788 1,576 2,167 3,152 4,334 6,304 8,668 12,608 17,336 34,672 69,344 and 138,688, with no remainder.

Since 138,688 cannot be divided by just 1 and 138,688, it is not a prime number.


More Examples

Number 138,686138,687138,689138,690
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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