Here is your answer:-

The Least Common Multiple (LCM) is: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 7 x 19 = 86184

The HCF will be 3 .

Hope this helps..

Answer:

1. The factors of 567 are 567= 1, 3, 7, 9, 21, 27, 63, 81, 189, 567 

2. The factors of 456 are 456 are 1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456

3. The factors of 999 are 1, 3, 9, 27, 37, 111, 333, 999 

4. The factors of 234 are 1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234 

I hope it will help you