What is the Greatest Common Factor of 84860 and 84880?

Greatest common factor (GCF) of 84860 and 84880 is 20.

GCF(84860,84880) = 20

We will now calculate the prime factors of 84860 and 84880, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 84860 and 84880.

How to find the GCF of 84860 and 84880?

We will first find the prime factorization of 84860 and 84880. After we will calculate the factors of 84860 and 84880 and find the biggest common factor number .

Step-1: Prime Factorization of 84860

Prime factors of 84860 are 2, 5, 4243. Prime factorization of 84860 in exponential form is:

84860 = 2² × 5¹ × 4243¹

Step-2: Prime Factorization of 84880

Prime factors of 84880 are 2, 5, 1061. Prime factorization of 84880 in exponential form is:

84880 = 2⁴ × 5¹ × 1061¹

Step-3: Factors of 84860

List of positive integer factors of 84860 that divides 84860 without a remainder.

1, 2, 4, 5, 10, 20, 4243, 8486, 16972, 21215, 42430

Step-4: Factors of 84880

List of positive integer factors of 84880 that divides 84860 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1061, 2122, 4244, 5305, 8488, 10610, 16976, 21220, 42440

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 84860 and 84880. The biggest common factor number is the GCF number.
So the greatest common factor 84860 and 84880 is 20.

Also check out the Least Common Multiple of 84860 and 84880