What is the Greatest Common Factor of 74728 and 74740?

Greatest common factor (GCF) of 74728 and 74740 is 4.

GCF(74728,74740) = 4

We will now calculate the prime factors of 74728 and 74740, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74728 and 74740.

How to find the GCF of 74728 and 74740?

We will first find the prime factorization of 74728 and 74740. After we will calculate the factors of 74728 and 74740 and find the biggest common factor number .

Step-1: Prime Factorization of 74728

Prime factors of 74728 are 2, 9341. Prime factorization of 74728 in exponential form is:

74728 = 2³ × 9341¹

Step-2: Prime Factorization of 74740

Prime factors of 74740 are 2, 5, 37, 101. Prime factorization of 74740 in exponential form is:

74740 = 2² × 5¹ × 37¹ × 101¹

Step-3: Factors of 74728

List of positive integer factors of 74728 that divides 74728 without a remainder.

1, 2, 4, 8, 9341, 18682, 37364

Step-4: Factors of 74740

List of positive integer factors of 74740 that divides 74728 without a remainder.

1, 2, 4, 5, 10, 20, 37, 74, 101, 148, 185, 202, 370, 404, 505, 740, 1010, 2020, 3737, 7474, 14948, 18685, 37370

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74728 and 74740. The biggest common factor number is the GCF number.
So the greatest common factor 74728 and 74740 is 4.

Also check out the Least Common Multiple of 74728 and 74740