Q: Is 420,195 a Prime Number?
A: No, 420,195 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 420195 can be evenly divided by 1 3 5 15 109 257 327 545 771 1,285 1,635 3,855 28,013 84,039 140,065 and 420,195, with no remainder.
Since 420,195 cannot be divided by just 1 and 420,195, it is not a prime number.