What is the Greatest Common Factor of 28810 and 28820?

Greatest common factor (GCF) of 28810 and 28820 is 10.

GCF(28810,28820) = 10

We will now calculate the prime factors of 28810 and 28820, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28810 and 28820.

How to find the GCF of 28810 and 28820?

We will first find the prime factorization of 28810 and 28820. After we will calculate the factors of 28810 and 28820 and find the biggest common factor number .

Step-1: Prime Factorization of 28810

Prime factors of 28810 are 2, 5, 43, 67. Prime factorization of 28810 in exponential form is:

28810 = 2¹ × 5¹ × 43¹ × 67¹

Step-2: Prime Factorization of 28820

Prime factors of 28820 are 2, 5, 11, 131. Prime factorization of 28820 in exponential form is:

28820 = 2² × 5¹ × 11¹ × 131¹

Step-3: Factors of 28810

List of positive integer factors of 28810 that divides 28810 without a remainder.

1, 2, 5, 10, 43, 67, 86, 134, 215, 335, 430, 670, 2881, 5762, 14405

Step-4: Factors of 28820

List of positive integer factors of 28820 that divides 28810 without a remainder.

1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 2620, 2882, 5764, 7205, 14410

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28810 and 28820. The biggest common factor number is the GCF number.
So the greatest common factor 28810 and 28820 is 10.

Also check out the Least Common Multiple of 28810 and 28820