Q: Is 129,987 a Prime Number?
A: No, 129,987 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 129987 can be evenly divided by 1 3 9 11 13 33 39 99 101 117 143 303 429 909 1,111 1,287 1,313 3,333 3,939 9,999 11,817 14,443 43,329 and 129,987, with no remainder.
Since 129,987 cannot be divided by just 1 and 129,987, it is not a prime number.