Q: Is 42,220 a Prime Number?
A: No, 42,220 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 42220 can be evenly divided by 1 2 4 5 10 20 2,111 4,222 8,444 10,555 21,110 and 42,220, with no remainder.
Since 42,220 cannot be divided by just 1 and 42,220, it is not a prime number.