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GCF - Greatest Common Factor

Find the GCF of each pair of numbers. Be sure to use a piece of paper to do the prime factorization of each number.

AB
42 and 862
125 and 505
54 and 483
24, 48, 328
12 and 426
25 and 7525
9 and 549
12 and 324
14 and 7014
38 and 15238
147 and 10521


'Failure is not an option'
Bellefontaine Middle School
Bellefontaine, OH

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