Q: Is 138,105 a Prime Number?
A: No, 138,105 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 138105 can be evenly divided by 1 3 5 9 11 15 27 31 33 45 55 81 93 99 135 155 165 279 297 341 405 465 495 837 891 1,023 1,395 1,485 1,705 2,511 3,069 4,185 4,455 5,115 9,207 12,555 15,345 27,621 46,035 and 138,105, with no remainder.
Since 138,105 cannot be divided by just 1 and 138,105, it is not a prime number.