Q: Is 120,840 a Prime Number?
A: No, 120,840 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 120840 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 53 57 60 76 95 106 114 120 152 159 190 212 228 265 285 318 380 424 456 530 570 636 760 795 1,007 1,060 1,140 1,272 1,590 2,014 2,120 2,280 3,021 3,180 4,028 5,035 6,042 6,360 8,056 10,070 12,084 15,105 20,140 24,168 30,210 40,280 60,420 and 120,840, with no remainder.
Since 120,840 cannot be divided by just 1 and 120,840, it is not a prime number.