Q: Is 1,528,628 a Prime Number?
A: No, 1,528,628 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 1528628 can be evenly divided by 1 2 4 47 94 173 188 346 692 2,209 4,418 8,131 8,836 16,262 32,524 382,157 764,314 and 1,528,628, with no remainder.
Since 1,528,628 cannot be divided by just 1 and 1,528,628, it is not a prime number.