Q: Is 5,428,240 a Prime Number?
A: No, 5,428,240 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 5428240 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 67,853 135,706 271,412 339,265 542,824 678,530 1,085,648 1,357,060 2,714,120 and 5,428,240, with no remainder.
Since 5,428,240 cannot be divided by just 1 and 5,428,240, it is not a prime number.