Q: Is 138,680 a Prime Number?
A: No, 138,680 is 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 138680 can be evenly divided by 1 2 4 5 8 10 20 40 3,467 6,934 13,868 17,335 27,736 34,670 69,340 and 138,680, with no remainder.
Since 138,680 cannot be divided by just 1 and 138,680, it is not a prime number.