Q: Is 4,247,420 a Prime Number?
A: No, 4,247,420 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 4247420 can be evenly divided by 1 2 4 5 10 20 53 106 212 265 530 1,060 4,007 8,014 16,028 20,035 40,070 80,140 212,371 424,742 849,484 1,061,855 2,123,710 and 4,247,420, with no remainder.
Since 4,247,420 cannot be divided by just 1 and 4,247,420, it is not a prime number.