What is the Greatest Common Factor of 7742 and 7756?

Greatest common factor (GCF) of 7742 and 7756 is 14.

GCF(7742,7756) = 14

We will now calculate the prime factors of 7742 and 7756, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7742 and 7756.

How to find the GCF of 7742 and 7756?

We will first find the prime factorization of 7742 and 7756. After we will calculate the factors of 7742 and 7756 and find the biggest common factor number .

Step-1: Prime Factorization of 7742

Prime factors of 7742 are 2, 7, 79. Prime factorization of 7742 in exponential form is:

7742 = 2¹ × 7² × 79¹

Step-2: Prime Factorization of 7756

Prime factors of 7756 are 2, 7, 277. Prime factorization of 7756 in exponential form is:

7756 = 2² × 7¹ × 277¹

Step-3: Factors of 7742

List of positive integer factors of 7742 that divides 7742 without a remainder.

1, 2, 7, 14, 49, 79, 98, 158, 553, 1106, 3871

Step-4: Factors of 7756

List of positive integer factors of 7756 that divides 7742 without a remainder.

1, 2, 4, 7, 14, 28, 277, 554, 1108, 1939, 3878

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7742 and 7756. The biggest common factor number is the GCF number.
So the greatest common factor 7742 and 7756 is 14.

Also check out the Least Common Multiple of 7742 and 7756