Q: Is 420,506 a Prime Number?
A: No, 420,506 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 420506 can be evenly divided by 1 2 167 334 1,259 2,518 210,253 and 420,506, with no remainder.
Since 420,506 cannot be divided by just 1 and 420,506, it is not a prime number.