Q: Is 122,540 a Prime Number?
A: No, 122,540 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 122540 can be evenly divided by 1 2 4 5 10 11 20 22 44 55 110 220 557 1,114 2,228 2,785 5,570 6,127 11,140 12,254 24,508 30,635 61,270 and 122,540, with no remainder.
Since 122,540 cannot be divided by just 1 and 122,540, it is not a prime number.