What is the Greatest Common Factor of 9404 and 9420?

Greatest common factor (GCF) of 9404 and 9420 is 4.

GCF(9404,9420) = 4

We will now calculate the prime factors of 9404 and 9420, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9404 and 9420.

How to find the GCF of 9404 and 9420?

We will first find the prime factorization of 9404 and 9420. After we will calculate the factors of 9404 and 9420 and find the biggest common factor number .

Step-1: Prime Factorization of 9404

Prime factors of 9404 are 2, 2351. Prime factorization of 9404 in exponential form is:

9404 = 2² × 2351¹

Step-2: Prime Factorization of 9420

Prime factors of 9420 are 2, 3, 5, 157. Prime factorization of 9420 in exponential form is:

9420 = 2² × 3¹ × 5¹ × 157¹

Step-3: Factors of 9404

List of positive integer factors of 9404 that divides 9404 without a remainder.

1, 2, 4, 2351, 4702

Step-4: Factors of 9420

List of positive integer factors of 9420 that divides 9404 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 9404 and 9420. The biggest common factor number is the GCF number.
So the greatest common factor 9404 and 9420 is 4.

Also check out the Least Common Multiple of 9404 and 9420