What is the Greatest Common Factor of 9620 and 9640?

Greatest common factor (GCF) of 9620 and 9640 is 20.

GCF(9620,9640) = 20

We will now calculate the prime factors of 9620 and 9640, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9620 and 9640.

How to find the GCF of 9620 and 9640?

We will first find the prime factorization of 9620 and 9640. After we will calculate the factors of 9620 and 9640 and find the biggest common factor number .

Step-1: Prime Factorization of 9620

Prime factors of 9620 are 2, 5, 13, 37. Prime factorization of 9620 in exponential form is:

9620 = 2² × 5¹ × 13¹ × 37¹

Step-2: Prime Factorization of 9640

Prime factors of 9640 are 2, 5, 241. Prime factorization of 9640 in exponential form is:

9640 = 2³ × 5¹ × 241¹

Step-3: Factors of 9620

List of positive integer factors of 9620 that divides 9620 without a remainder.

1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810

Step-4: Factors of 9640

List of positive integer factors of 9640 that divides 9620 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9620 and 9640. The biggest common factor number is the GCF number.
So the greatest common factor 9620 and 9640 is 20.

Also check out the Least Common Multiple of 9620 and 9640