Answer:
1. common factor of 15 and 20 is 1 and 5.
the GCF of 15 and 20 is 5.
2. the common factors of 8 and 5 is 1, 3 and 1, 2, 4, 8 respectively.
the GCF of 8 and 3 is 1.
3. the common factors of 9 and 21 is1, 3, 9 and 1, 3, 7, 21 .
the GCF of 9 and 21 is 3.
4. the common factors of 6 and 4 is 1, 2, 4 and 1, 2, 3, 6 respectively.
the GCF of 6 and 4 is 2.
Step-by-step explanation:
hope it helps thanks
A. Factors of 15 are
1,3,5,15
Factors of 20 are
1,2,4,5,10,20
GCF of 15 and 20 is 5
B. Factors of 9 are
1,3,9
Factors of 21 are
1,3,7,21
GCF of 9 and 21 is 3
C. Factors of 8 are
1,2,4,8
Factors of 3 are
1,3
GCF of 8 and 3 is 1
D. Factors of 6 are
1,2,3,6
Factors of 4 are
1,2,4
GCF of 6 and 4 is 2
Correct me if I'm wrong
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Answers & Comments
Answer:
1. common factor of 15 and 20 is 1 and 5.
the GCF of 15 and 20 is 5.
2. the common factors of 8 and 5 is 1, 3 and 1, 2, 4, 8 respectively.
the GCF of 8 and 3 is 1.
3. the common factors of 9 and 21 is1, 3, 9 and 1, 3, 7, 21 .
the GCF of 9 and 21 is 3.
4. the common factors of 6 and 4 is 1, 2, 4 and 1, 2, 3, 6 respectively.
the GCF of 6 and 4 is 2.
Step-by-step explanation:
hope it helps thanks
Answer:
A. Factors of 15 are
1,3,5,15
Factors of 20 are
1,2,4,5,10,20
GCF of 15 and 20 is 5
B. Factors of 9 are
1,3,9
Factors of 21 are
1,3,7,21
GCF of 9 and 21 is 3
C. Factors of 8 are
1,2,4,8
Factors of 3 are
1,3
GCF of 8 and 3 is 1
D. Factors of 6 are
1,2,3,6
Factors of 4 are
1,2,4
GCF of 6 and 4 is 2
Step-by-step explanation:
Correct me if I'm wrong