Factors of 28: 1,2,4,7,14, and 28.
Factors of 35: 1, 5, 7, and 35.
Factors of 49: 1, 7, and 49.
common factors: 1, 7.
greatest of the common factors: 7 for 7>1 GCF of 28 35 and 49: 7.
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The GCF is 7.
The GCF is 7.
7
GCF is 7. LCM is 420
7Prime Factorization of:28 = 2 * 2 * 735 = …………..7 * 556 = 2 * 2 * 7……..* 2===============GCF=…………..7