Q: Is 139,040 a Prime Number?
A: No, 139,040 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 139040 can be evenly divided by 1 2 4 5 8 10 11 16 20 22 32 40 44 55 79 80 88 110 158 160 176 220 316 352 395 440 632 790 869 880 1,264 1,580 1,738 1,760 2,528 3,160 3,476 4,345 6,320 6,952 8,690 12,640 13,904 17,380 27,808 34,760 69,520 and 139,040, with no remainder.
Since 139,040 cannot be divided by just 1 and 139,040, it is not a prime number.