Q: Is 1,260,728 a Prime Number?
A: No, 1,260,728 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 1260728 can be evenly divided by 1 2 4 7 8 14 28 47 56 94 188 329 376 479 658 958 1,316 1,916 2,632 3,353 3,832 6,706 13,412 22,513 26,824 45,026 90,052 157,591 180,104 315,182 630,364 and 1,260,728, with no remainder.
Since 1,260,728 cannot be divided by just 1 and 1,260,728, it is not a prime number.