Q: Is 860,139 a Prime Number?
A: No, 860,139 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 860139 can be evenly divided by 1 3 7 9 21 27 37 41 63 81 111 123 189 259 287 333 369 567 777 861 999 1,107 1,517 2,331 2,583 2,997 3,321 4,551 6,993 7,749 10,619 13,653 20,979 23,247 31,857 40,959 95,571 122,877 286,713 and 860,139, with no remainder.
Since 860,139 cannot be divided by just 1 and 860,139, it is not a prime number.