Q: Is 420,850 a Prime Number?
A: No, 420,850 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 420850 can be evenly divided by 1 2 5 10 19 25 38 50 95 190 443 475 886 950 2,215 4,430 8,417 11,075 16,834 22,150 42,085 84,170 210,425 and 420,850, with no remainder.
Since 420,850 cannot be divided by just 1 and 420,850, it is not a prime number.