Q: Is 3,742,778 a Prime Number?
A: No, 3,742,778 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 3742778 can be evenly divided by 1 2 13 26 143,953 287,906 1,871,389 and 3,742,778, with no remainder.
Since 3,742,778 cannot be divided by just 1 and 3,742,778, it is not a prime number.