What is the Greatest Common Factor of 89620 and 89640?

Greatest common factor (GCF) of 89620 and 89640 is 20.

GCF(89620,89640) = 20

We will now calculate the prime factors of 89620 and 89640, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 89620 and 89640.

How to find the GCF of 89620 and 89640?

We will first find the prime factorization of 89620 and 89640. After we will calculate the factors of 89620 and 89640 and find the biggest common factor number .

Step-1: Prime Factorization of 89620

Prime factors of 89620 are 2, 5, 4481. Prime factorization of 89620 in exponential form is:

89620 = 2² × 5¹ × 4481¹

Step-2: Prime Factorization of 89640

Prime factors of 89640 are 2, 3, 5, 83. Prime factorization of 89640 in exponential form is:

89640 = 2³ × 3³ × 5¹ × 83¹

Step-3: Factors of 89620

List of positive integer factors of 89620 that divides 89620 without a remainder.

1, 2, 4, 5, 10, 20, 4481, 8962, 17924, 22405, 44810

Step-4: Factors of 89640

List of positive integer factors of 89640 that divides 89620 without a remainder.

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 83, 90, 108, 120, 135, 166, 180, 216, 249, 270, 332, 360, 415, 498, 540, 664, 747, 830, 996, 1080, 1245, 1494, 1660, 1992, 2241, 2490, 2988, 3320, 3735, 4482, 4980, 5976, 7470, 8964, 9960, 11205, 14940, 17928, 22410, 29880, 44820

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 89620 and 89640. The biggest common factor number is the GCF number.
So the greatest common factor 89620 and 89640 is 20.

Also check out the Least Common Multiple of 89620 and 89640