Use both methods to find the greatest commin factor. a. 9 and 21. b. 25 and 45. c. 24 ,8, and 12

Tamara Bryan

Tamara Bryan

Answered question

2022-07-27

Use both methods to find the greatest commin factor.
a. 9 and 21
b. 25 and 45
c. 24 ,8, and 12

Answer & Explanation

polishxcore5z

polishxcore5z

Beginner2022-07-28Added 14 answers

Step 1
a) 9 = 3 × 3
21 = 3 × 7
There is 3 is common GCF is 3
Step 2
b) 25 = 5 × 5
45 = 5 × 9
GCF is 5
Step 3
c) 24,8,12
24 = 2 × 2 × 2 × 3
8 = 2 × 2 × 2
12 = 2 × 2 × 3
GCF is 2 × 2 = 4

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