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worty [1.4K]
4 years ago
7

What is gcf of 21 42 and 63

Mathematics
2 answers:
monitta4 years ago
6 0
7... if you list the factors of all 3 of this number... you will see 7 is the common factor... because:
7x3=21
7x6=42
7x9= 63
gregori [183]4 years ago
3 0
Ther gcf of 21, 42, and 63 is 21
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