Q: Is 424,780 a Prime Number?
A: No, 424,780 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 424780 can be evenly divided by 1 2 4 5 10 20 67 134 268 317 335 634 670 1,268 1,340 1,585 3,170 6,340 21,239 42,478 84,956 106,195 212,390 and 424,780, with no remainder.
Since 424,780 cannot be divided by just 1 and 424,780, it is not a prime number.