Q: Is 1,380,728 a Composite Number?
A: Yes, 1,380,728 is a composite number.
The number 1,380,728 can be evenly divided by 1 2 4 8 107 214 428 856 1,613 3,226 6,452 12,904 172,591 345,182 690,364 and 1,380,728, with no remainder.
Since 1,380,728 cannot be divided by just 1 and 1,380,728, it is a composite number.