Answer:
Learning Task 1:
1. Common Factors: 1, 5, 25;
Multiples: 25 - 25, 50, 75
75 - 75, 150, 225
2. Common Factors: 1, 5
Multiples: 35 - 35, 70, 105
45 - 45, 90, 135
3. Common Factors: 1, 7
Multiples: 21 - 21, 42, 63
56 - 56, 112, 168
4. Common Factors: 1, 2, 3, 6, 9, 18
Multiples: 54 - 54, 108, 162
72 - 72, 144, 216
5. Common Factors: 1, 3, 9
Multiples: 27 - 27, 54, 81
36 - 36, 72, 108
Learning Task 2
1. GCF: 25 LCM: 5
2. GCF: 5 LCM: 315
3. GCF: 9. LCM: 108
4. GCF: 21 LCM: 168
5. GCF: 18 LCM: 216
6. GCF: 4 LCM: 48