The GCF is 1.
The factors of 49 are 1, 7, 49. The factors of 25 are 1, 5, 25. The GCF of 49 and 25 is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF of 49 and 49 is 49.
The GCF is 1.
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)
25, 49 and 121
The GCF is 7.
The GCF is 7.
The GCF is 1.
The GCF is 49.