The GCF is 3.
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What is the greatest common factor shared by 51 and 21?
The factors of the two numbers are :- 51 : 1, 3, 17 and 51 21 : 1, 3, 7 and 21. Ignoring the trivial factor of 1, the only common factor and therefore the greatest common factor is 3.
3 is the greatest common factor of 21, 27, and 51The GCF is 3.
The greatest common factor is 51
Greatest common factor for 102 and 357 is 51.