Q: Is 420,676 a Prime Number?
A: No, 420,676 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 420676 can be evenly divided by 1 2 4 251 419 502 838 1,004 1,676 105,169 210,338 and 420,676, with no remainder.
Since 420,676 cannot be divided by just 1 and 420,676, it is not a prime number.