Q: Is 345,123 a Composite Number?
A: Yes, 345,123 is a composite number.
The number 345,123 can be evenly divided by 1 3 9 31 93 279 1,237 3,711 11,133 38,347 115,041 and 345,123, with no remainder.
Since 345,123 cannot be divided by just 1 and 345,123, it is a composite number.