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Find the GFC of each set of number. show your work
12,21,30

User Billyswong
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12: 1, 2, 3, 4, 6, 12
21: 1, 3, 7, 21
30: 1, 2, 3, 5, 6, 10, 15, 30


The GCF is 3
User Sigve Kolbeinson
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