Q: Is 426,220 a Prime Number?
A: No, 426,220 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 426220 can be evenly divided by 1 2 4 5 10 20 101 202 211 404 422 505 844 1,010 1,055 2,020 2,110 4,220 21,311 42,622 85,244 106,555 213,110 and 426,220, with no remainder.
Since 426,220 cannot be divided by just 1 and 426,220, it is not a prime number.