What is the Greatest Common Factor of 7690 and 7710?

Greatest common factor (GCF) of 7690 and 7710 is 10.

GCF(7690,7710) = 10

We will now calculate the prime factors of 7690 and 7710, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7690 and 7710.

How to find the GCF of 7690 and 7710?

We will first find the prime factorization of 7690 and 7710. After we will calculate the factors of 7690 and 7710 and find the biggest common factor number .

Step-1: Prime Factorization of 7690

Prime factors of 7690 are 2, 5, 769. Prime factorization of 7690 in exponential form is:

7690 = 2¹ × 5¹ × 769¹

Step-2: Prime Factorization of 7710

Prime factors of 7710 are 2, 3, 5, 257. Prime factorization of 7710 in exponential form is:

7710 = 2¹ × 3¹ × 5¹ × 257¹

Step-3: Factors of 7690

List of positive integer factors of 7690 that divides 7690 without a remainder.

1, 2, 5, 10, 769, 1538, 3845

Step-4: Factors of 7710

List of positive integer factors of 7710 that divides 7690 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 257, 514, 771, 1285, 1542, 2570, 3855

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7690 and 7710. The biggest common factor number is the GCF number.
So the greatest common factor 7690 and 7710 is 10.

Also check out the Least Common Multiple of 7690 and 7710