Q: Is 122,220 a Prime Number?
A: No, 122,220 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 122220 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 97 105 126 140 180 194 210 252 291 315 388 420 485 582 630 679 873 970 1,164 1,260 1,358 1,455 1,746 1,940 2,037 2,716 2,910 3,395 3,492 4,074 4,365 5,820 6,111 6,790 8,148 8,730 10,185 12,222 13,580 17,460 20,370 24,444 30,555 40,740 61,110 and 122,220, with no remainder.
Since 122,220 cannot be divided by just 1 and 122,220, it is not a prime number.