What is the Greatest Common Factor of 28655 and 28660?

Greatest common factor (GCF) of 28655 and 28660 is 5.

GCF(28655,28660) = 5

We will now calculate the prime factors of 28655 and 28660, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28655 and 28660.

How to find the GCF of 28655 and 28660?

We will first find the prime factorization of 28655 and 28660. After we will calculate the factors of 28655 and 28660 and find the biggest common factor number .

Step-1: Prime Factorization of 28655

Prime factors of 28655 are 5, 11, 521. Prime factorization of 28655 in exponential form is:

28655 = 5¹ × 11¹ × 521¹

Step-2: Prime Factorization of 28660

Prime factors of 28660 are 2, 5, 1433. Prime factorization of 28660 in exponential form is:

28660 = 2² × 5¹ × 1433¹

Step-3: Factors of 28655

List of positive integer factors of 28655 that divides 28655 without a remainder.

1, 5, 11, 55, 521, 2605, 5731

Step-4: Factors of 28660

List of positive integer factors of 28660 that divides 28655 without a remainder.

1, 2, 4, 5, 10, 20, 1433, 2866, 5732, 7165, 14330

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28655 and 28660. The biggest common factor number is the GCF number.
So the greatest common factor 28655 and 28660 is 5.

Also check out the Least Common Multiple of 28655 and 28660