Answer:
1 3 5 15
1 3 9 27
1 2 4 7 14 28
1 2 4 7 8 14 28 56
1 2 5 7 10 14 35 70
1 2 4 13 26 52
1 3 7 21
1 2 3 6 9 18
1 3 5 9 15 45
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Answers & Comments
Answer:
1. Their greatest common factor is 3
Factors of 15:
1 3 5 15
Factors of 27:
1 3 9 27
2. Their greatest common factor is 28
Factors of 28:
1 2 4 7 14 28
Factors of 56:
1 2 4 7 8 14 28 56
3. Their greatest common factor is 14
Factors of 56:
1 2 4 7 8 14 28 56
Factors of 70:
1 2 5 7 10 14 35 70
4. Their greatest common factor is 1
Factors of 52:
1 2 4 13 26 52
Factors of 21:
1 3 7 21
5. Their greatest common factor is 9
Factors of 18:
1 2 3 6 9 18
Factors of 45:
1 3 5 9 15 45
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ANSWER:
1. 15-1,3,5,15
27-1,3,9,27
GCF=3
2.28- 1,2,4,7,14,28
56-1,2,4,7,8,14,28,56
GCF=28
3.56-1,2,4,7,8,14,28,56
70-1,2,5,7,10,14,35,70
GCF=14
4.52-1,2,4,13,26,52
21-1,3,7,21
GCF=1
5.18- 1,2,3,6,9,18
45-1,3,5,9,15,45
GCF=9