Q: Is 138,285 a Prime Number?
A: No, 138,285 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 138285 can be evenly divided by 1 3 5 7 9 15 21 35 45 63 105 315 439 1,317 2,195 3,073 3,951 6,585 9,219 15,365 19,755 27,657 46,095 and 138,285, with no remainder.
Since 138,285 cannot be divided by just 1 and 138,285, it is not a prime number.