Q: Is 842,220 a Prime Number?
A: No, 842,220 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 842220 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 4,679 9,358 14,037 18,716 23,395 28,074 42,111 46,790 56,148 70,185 84,222 93,580 140,370 168,444 210,555 280,740 421,110 and 842,220, with no remainder.
Since 842,220 cannot be divided by just 1 and 842,220, it is not a prime number.