Answer:
1. 2
2. 4
3. 3
4. 5
5. 7
Step-by-step explanation:
1.
The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, 24
The factors of 54 are: 1, 2, 3, 6, 9, 18, 27, 54
The factors of 64 are: 1, 2, 4, 8, 16, 32, 64
The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
Then the greatest common factor is 2
2.
The factors of 16 are: 1, 2, 4, 8, 16
The factors of 20 are: 1, 2, 4, 5, 10, 20
The factors of 32 are: 1, 2, 4, 8, 16, 32
The factors of 56 are: 1, 2, 4, 7, 8, 14, 28, 56
Then the greatest common factor is 4.
3.
The factors of 15 are: 1, 3, 5, 15
The factors of 27 are: 1, 3, 9, 27
The factors of 33 are: 1, 3, 11, 33
The factors of 39 are: 1, 3, 13, 39
Then the greatest common factor is 3
4.
The factors of 45 are: 1, 3, 5, 9, 15, 45
The factors of 65 are: 1, 5, 13, 65
The factors of 100 are: 1, 2, 4, 5, 10, 20, 25, 50, 100
Then the greatest common factor is 5
5.
The factors of 14 are: 1, 2, 7, 14
The factors of 49 are: 1, 7, 49
The factors of 63 are: 1, 3, 7, 9, 21, 63
The factors of 70 are: 1, 2, 5, 7, 10, 14, 35, 70
Then the greatest common factor is 7
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Answers & Comments
Answer:
1. 2
2. 4
3. 3
4. 5
5. 7
Step-by-step explanation:
1.
The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, 24
The factors of 54 are: 1, 2, 3, 6, 9, 18, 27, 54
The factors of 64 are: 1, 2, 4, 8, 16, 32, 64
The factors of 72 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
Then the greatest common factor is 2
2.
The factors of 16 are: 1, 2, 4, 8, 16
The factors of 20 are: 1, 2, 4, 5, 10, 20
The factors of 32 are: 1, 2, 4, 8, 16, 32
The factors of 56 are: 1, 2, 4, 7, 8, 14, 28, 56
Then the greatest common factor is 4.
3.
The factors of 15 are: 1, 3, 5, 15
The factors of 27 are: 1, 3, 9, 27
The factors of 33 are: 1, 3, 11, 33
The factors of 39 are: 1, 3, 13, 39
Then the greatest common factor is 3
4.
The factors of 20 are: 1, 2, 4, 5, 10, 20
The factors of 45 are: 1, 3, 5, 9, 15, 45
The factors of 65 are: 1, 5, 13, 65
The factors of 100 are: 1, 2, 4, 5, 10, 20, 25, 50, 100
Then the greatest common factor is 5
5.
The factors of 14 are: 1, 2, 7, 14
The factors of 49 are: 1, 7, 49
The factors of 63 are: 1, 3, 7, 9, 21, 63
The factors of 70 are: 1, 2, 5, 7, 10, 14, 35, 70
Then the greatest common factor is 7