Q: Is 643,423 a Composite Number?
A: Yes, 643,423 is a composite number.
The number 643,423 can be evenly divided by 1 11 29 319 2,017 22,187 58,493 and 643,423, with no remainder.
Since 643,423 cannot be divided by just 1 and 643,423, it is a composite number.