Q: Is 120,780 a Prime Number?
A: No, 120,780 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 120780 can be evenly divided by 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 61 66 90 99 110 122 132 165 180 183 198 220 244 305 330 366 396 495 549 610 660 671 732 915 990 1,098 1,220 1,342 1,830 1,980 2,013 2,196 2,684 2,745 3,355 3,660 4,026 5,490 6,039 6,710 8,052 10,065 10,980 12,078 13,420 20,130 24,156 30,195 40,260 60,390 and 120,780, with no remainder.
Since 120,780 cannot be divided by just 1 and 120,780, it is not a prime number.