What is the Greatest Common Factor of 7640 and 7650?

Greatest common factor (GCF) of 7640 and 7650 is 10.

GCF(7640,7650) = 10

We will now calculate the prime factors of 7640 and 7650, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7640 and 7650.

How to find the GCF of 7640 and 7650?

We will first find the prime factorization of 7640 and 7650. After we will calculate the factors of 7640 and 7650 and find the biggest common factor number .

Step-1: Prime Factorization of 7640

Prime factors of 7640 are 2, 5, 191. Prime factorization of 7640 in exponential form is:

7640 = 2³ × 5¹ × 191¹

Step-2: Prime Factorization of 7650

Prime factors of 7650 are 2, 3, 5, 17. Prime factorization of 7650 in exponential form is:

7650 = 2¹ × 3² × 5² × 17¹

Step-3: Factors of 7640

List of positive integer factors of 7640 that divides 7640 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820

Step-4: Factors of 7650

List of positive integer factors of 7650 that divides 7640 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 45, 50, 51, 75, 85, 90, 102, 150, 153, 170, 225, 255, 306, 425, 450, 510, 765, 850, 1275, 1530, 2550, 3825

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7640 and 7650. The biggest common factor number is the GCF number.
So the greatest common factor 7640 and 7650 is 10.

Also check out the Least Common Multiple of 7640 and 7650