There is 345, 354, 435, 453, 543, 534.
You need at least two numbers to find an LCM.
Just six numbers... 345, 354, 435, 453, 534 & 543
They are 507, 516, 525, 534, 543, 552, 561, 570, 606, 615, 624, 633, 642, 651 and 660.
3! or 6 combinations can be made from three distinct numbers. For this example they are: 345, 354, 534, 543, 435, 453.
543
Assuming you mean permutations of three digits, then the set of numbers that can be made with these digits is: 345 354 435 453 534 543 There are six possible permutations of three numbers.
Well, honey, the greatest odd number you can make using 3, 4, and 5 only once each is 543. It's odd because the last digit is 3. So, there you have it, darling, 543 is the winner in this odd number game.
543 is not prime. 543 = 3 * 181
543
543
543 + 78900000 = 78900543