Q: Is 135,980 a Prime Number?
A: No, 135,980 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 135980 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 260 523 1,046 2,092 2,615 5,230 6,799 10,460 13,598 27,196 33,995 67,990 and 135,980, with no remainder.
Since 135,980 cannot be divided by just 1 and 135,980, it is not a prime number.