Q: Is 420,742 a Prime Number?
A: No, 420,742 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 420742 can be evenly divided by 1 2 7 14 41 82 287 574 733 1,466 5,131 10,262 30,053 60,106 210,371 and 420,742, with no remainder.
Since 420,742 cannot be divided by just 1 and 420,742, it is not a prime number.