Q: Is 1,428,378 a Composite Number?
A: Yes, 1,428,378 is a composite number.
The number 1,428,378 can be evenly divided by 1 2 3 6 7 14 21 42 71 142 213 426 479 497 958 994 1,437 1,491 2,874 2,982 3,353 6,706 10,059 20,118 34,009 68,018 102,027 204,054 238,063 476,126 714,189 and 1,428,378, with no remainder.
Since 1,428,378 cannot be divided by just 1 and 1,428,378, it is a composite number.