The term "LCD" typically refers to the "Least Common Denominator." However, if you're referring to a single number like 2345, it doesn't have a least common denominator on its own since LCD is used in the context of multiple fractions. If you meant "GCD" (Greatest Common Divisor) or something else, please clarify!
It is 1.
2345 + 2345 = 4690
2345-3456 = -1111
No; 2345 is odd.
2345
The factors of 2345 are: 1, 5, 7, 35, 67, 335, 469, 2345.
2345 + 4567 = 6912
2345 + 1234 = 3579
263 + 2345 = 2608
6790 + 2345 = 9135
567 + 2345 = 2912
It is: 567*2345 = 1,329,615