Q: Is 6,742,420 a Prime Number?
A: No, 6,742,420 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 6742420 can be evenly divided by 1 2 4 5 10 20 337,121 674,242 1,348,484 1,685,605 3,371,210 and 6,742,420, with no remainder.
Since 6,742,420 cannot be divided by just 1 and 6,742,420, it is not a prime number.