Q: Is 68,420 a Prime Number?
A: No, 68,420 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 68420 can be evenly divided by 1 2 4 5 10 11 20 22 44 55 110 220 311 622 1,244 1,555 3,110 3,421 6,220 6,842 13,684 17,105 34,210 and 68,420, with no remainder.
Since 68,420 cannot be divided by just 1 and 68,420, it is not a prime number.