GCF - Greatest Common Factor.
The factors (integers that multiply to make) of 49 are 1 * 49, 7 * 7
Factors of 9 are 1 * 9, 3 * 3.
Which factors do both numbers have in common? ... Just 1.
This means the GCF of 49 & 9 is 1. IN fact, it's the ONLY common factor of 49 & 9, not just the greatest.
Try this one on your own:
GCF of 25 and 75.
Hint: Factors of 25 -- 1, 25. 5, 5.
Hint: Factors of 50 -- 1, 50. 2, 25. 5, 10.
Which factors of 25 and 50 are in common?
Of these common factors, which is the greatest? (GCF)
The GCF is 7.
The GCF (Greatest Common Factor) of 49 and 343 is 49. Since 49 is a factor of 343, it is automatically the GCF.
The GCF is 1.
The GCF is 1.
The GCF is: 1
The GCF is 1.
The GCF is 1.
greatest common factor of 29 and 49 is 1.
The GCF of 49 and 49 is 49.
The GCF of 49 and 63 is 7. The greatest common factor is the highest number that divides exactly into two or more numbers. 49: 1, 7, 49 63: 1, 3, 7, 9, 21, 63
The LCM is: 441The GCF is: 7
The GCF is 7.
The GCF is 7.
The GCF is 49.
The GCF is 1.
The GCF is 1.
The GCF is 1.