What is the Greatest Common Factor of 7740 and 7757?

Greatest common factor (GCF) of 7740 and 7757 is 1.

GCF(7740,7757) = 1

We will now calculate the prime factors of 7740 and 7757, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7740 and 7757.

How to find the GCF of 7740 and 7757?

We will first find the prime factorization of 7740 and 7757. After we will calculate the factors of 7740 and 7757 and find the biggest common factor number .

Step-1: Prime Factorization of 7740

Prime factors of 7740 are 2, 3, 5, 43. Prime factorization of 7740 in exponential form is:

7740 = 2² × 3² × 5¹ × 43¹

Step-2: Prime Factorization of 7757

Prime factors of 7757 are 7757. Prime factorization of 7757 in exponential form is:

7757 = 7757¹

Step-3: Factors of 7740

List of positive integer factors of 7740 that divides 7740 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870

Step-4: Factors of 7757

List of positive integer factors of 7757 that divides 7740 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7740 and 7757. The biggest common factor number is the GCF number.
So the greatest common factor 7740 and 7757 is 1.

Also check out the Least Common Multiple of 7740 and 7757