Q: Is 122,420 a Prime Number?
A: No, 122,420 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 122420 can be evenly divided by 1 2 4 5 10 20 6,121 12,242 24,484 30,605 61,210 and 122,420, with no remainder.
Since 122,420 cannot be divided by just 1 and 122,420, it is not a prime number.