Q: Is 7,842,428 a Prime Number?
A: No, 7,842,428 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 7842428 can be evenly divided by 1 2 4 11 22 44 137 274 548 1,301 1,507 2,602 3,014 5,204 6,028 14,311 28,622 57,244 178,237 356,474 712,948 1,960,607 3,921,214 and 7,842,428, with no remainder.
Since 7,842,428 cannot be divided by just 1 and 7,842,428, it is not a prime number.