Q: Is 105,987 a Prime Number?
A: No, 105,987 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 105987 can be evenly divided by 1 3 7 21 49 103 147 309 343 721 1,029 2,163 5,047 15,141 35,329 and 105,987, with no remainder.
Since 105,987 cannot be divided by just 1 and 105,987, it is not a prime number.