Q: Is 122,920 a Prime Number?
A: No, 122,920 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 122920 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 439 878 1,756 2,195 3,073 3,512 4,390 6,146 8,780 12,292 15,365 17,560 24,584 30,730 61,460 and 122,920, with no remainder.
Since 122,920 cannot be divided by just 1 and 122,920, it is not a prime number.