The factors of 21 are:
1, 3, 7, 21
The factors of 35 are:
1, 5, 7, 35
The common factors are:
1, 7
The Greatest Common Factor:
GCF = 7
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21 and 35 are both in the 7 timetable, so 7 is a common factor.
Because 7 can divide into both 21 and 35 evenly.
The greatest common factor (GCF) is: 7.7
The GCF is 7.
The greatest common factor of 7, 35 and 49 is 7.
The GCF is 7.
The GCF is 7.