Q: Is 420,325 a Prime Number?
A: No, 420,325 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 420325 can be evenly divided by 1 5 17 23 25 43 85 115 215 391 425 575 731 989 1,075 1,955 3,655 4,945 9,775 16,813 18,275 24,725 84,065 and 420,325, with no remainder.
Since 420,325 cannot be divided by just 1 and 420,325, it is not a prime number.