Q: Is 642,738 a Composite Number?
A: Yes, 642,738 is a composite number.
The number 642,738 can be evenly divided by 1 2 3 6 107,123 214,246 321,369 and 642,738, with no remainder.
Since 642,738 cannot be divided by just 1 and 642,738, it is a composite number.