To find the greatest common factor (GCF) of 44, 77, and 91, we first need to factorize each number. The factors of 44 are 1, 2, 4, 11, 22, and 44. The factors of 77 are 1, 7, 11, and 77. The factors of 91 are 1, 7, 13, and 91. The common factor among all three numbers is 11. Therefore, the greatest common factor of 44, 77, and 91 is 11.
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The GCF is 11.
The GCF is 11.
The greatest common factor of 21 and 77 is 7.
Greatest common factor of 33 and 77 is 11.
2 is the Greatest common factor.