What is the Greatest Common Factor of 80905 and 80910?

Greatest common factor (GCF) of 80905 and 80910 is 5.

GCF(80905,80910) = 5

We will now calculate the prime factors of 80905 and 80910, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 80905 and 80910.

How to find the GCF of 80905 and 80910?

We will first find the prime factorization of 80905 and 80910. After we will calculate the factors of 80905 and 80910 and find the biggest common factor number .

Step-1: Prime Factorization of 80905

Prime factors of 80905 are 5, 11, 1471. Prime factorization of 80905 in exponential form is:

80905 = 5¹ × 11¹ × 1471¹

Step-2: Prime Factorization of 80910

Prime factors of 80910 are 2, 3, 5, 29, 31. Prime factorization of 80910 in exponential form is:

80910 = 2¹ × 3² × 5¹ × 29¹ × 31¹

Step-3: Factors of 80905

List of positive integer factors of 80905 that divides 80905 without a remainder.

1, 5, 11, 55, 1471, 7355, 16181

Step-4: Factors of 80910

List of positive integer factors of 80910 that divides 80905 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 31, 45, 58, 62, 87, 90, 93, 145, 155, 174, 186, 261, 279, 290, 310, 435, 465, 522, 558, 870, 899, 930, 1305, 1395, 1798, 2610, 2697, 2790, 4495, 5394, 8091, 8990, 13485, 16182, 26970, 40455

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 80905 and 80910. The biggest common factor number is the GCF number.
So the greatest common factor 80905 and 80910 is 5.

Also check out the Least Common Multiple of 80905 and 80910