What is the Greatest Common Factor of 7760 and 7778?

Greatest common factor (GCF) of 7760 and 7778 is 2.

GCF(7760,7778) = 2

We will now calculate the prime factors of 7760 and 7778, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7760 and 7778.

How to find the GCF of 7760 and 7778?

We will first find the prime factorization of 7760 and 7778. After we will calculate the factors of 7760 and 7778 and find the biggest common factor number .

Step-1: Prime Factorization of 7760

Prime factors of 7760 are 2, 5, 97. Prime factorization of 7760 in exponential form is:

7760 = 2⁴ × 5¹ × 97¹

Step-2: Prime Factorization of 7778

Prime factors of 7778 are 2, 3889. Prime factorization of 7778 in exponential form is:

7778 = 2¹ × 3889¹

Step-3: Factors of 7760

List of positive integer factors of 7760 that divides 7760 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880

Step-4: Factors of 7778

List of positive integer factors of 7778 that divides 7760 without a remainder.

1, 2, 3889

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7760 and 7778. The biggest common factor number is the GCF number.
So the greatest common factor 7760 and 7778 is 2.

Also check out the Least Common Multiple of 7760 and 7778