The GCF is 7.
21/49 = 3/7 by dividing the numerator and denominator by its highest common factor which is 7
The GCF is 7.It is: 7
7 is a factor of 49.
The GCF (Greatest Common Factor) of 49 and 343 is 49. Since 49 is a factor of 343, it is automatically the GCF.
The factors of 21 and 1,3,7, and 21Now since 21 is not a factor of 49, but 7 is we can say right away the GCF is 7.
The GCF is 7.
The greatest common factor of 14, 21 and 49 is 7.
The GCF of 21, 49 and 115 is 1.
The GCF is 7.
The answer is 7. 7 x 3 = 21 7 x 7 = 49
The GCF is 7.
7
The factors of 21 are 1, 3, 7, 21 The factors of 49 are 1, 7, 49 The largest matching number is 7 so 7 is the GCF of 21 and 49.
7 is the greatest common factor of 4942 and 21, or of 49, 42 and 21, if that is what you meant.
the factors of 21 are 3,7,1, 21,and -1, -21,-3,-7. the factors of 49 are 1,49,7,7 and -1, -21-7-7.
7 (7 x 3= 21, 7 x 7=49)