Q: Is 421,250 a Prime Number?
A: No, 421,250 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 421250 can be evenly divided by 1 2 5 10 25 50 125 250 337 625 674 1,250 1,685 3,370 8,425 16,850 42,125 84,250 210,625 and 421,250, with no remainder.
Since 421,250 cannot be divided by just 1 and 421,250, it is not a prime number.