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.
21 - 1, 3, 7, 21 51 - 1, 3, 17 ,51 the GCF is 3
1, 17 are the common factors for 17 and 51
The GCF is 3.
The GCF is 1.
The common factors of 21 and 51 are: 1 and 3
For 21: 3,7 For 51: 3,17
Factors of 51: 1, 3, 17, 51Factors of 21: 1, 3, 7, 21GCF (51, 21) = 3
The factors of 357 are: 1, 3, 7, 17, 21, 51, 119, 357.
1, 3, 7, 17, 21, 51, 119, 357.
GCF of 21 and 51 is 3.21=3*751=3*17
1, 3, 7, 17, 21, 51, 119, 357.
1, 3, 17, 51
1, 3, 17, 51
Factors of 11 are: 1 and 11.Factors of 51 are: 1, 3, 17, and 51.
Factors of 3: 1, 3 Factors of 51: 1, 3, 17, 51
The factors of 51 are: 1, 3, 17, 51.