Q: Is 142,220 a Prime Number?
A: No, 142,220 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 142220 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 260 547 1,094 2,188 2,735 5,470 7,111 10,940 14,222 28,444 35,555 71,110 and 142,220, with no remainder.
Since 142,220 cannot be divided by just 1 and 142,220, it is not a prime number.