Q: Is 1,559,728 a Prime Number?
A: No, 1,559,728 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 1559728 can be evenly divided by 1 2 4 8 16 71 142 284 568 1,136 1,373 2,746 5,492 10,984 21,968 97,483 194,966 389,932 779,864 and 1,559,728, with no remainder.
Since 1,559,728 cannot be divided by just 1 and 1,559,728, it is not a prime number.