What is the Greatest Common Factor of 70845 and 70855?

Greatest common factor (GCF) of 70845 and 70855 is 5.

GCF(70845,70855) = 5

We will now calculate the prime factors of 70845 and 70855, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70845 and 70855.

How to find the GCF of 70845 and 70855?

We will first find the prime factorization of 70845 and 70855. After we will calculate the factors of 70845 and 70855 and find the biggest common factor number .

Step-1: Prime Factorization of 70845

Prime factors of 70845 are 3, 5, 4723. Prime factorization of 70845 in exponential form is:

70845 = 3¹ × 5¹ × 4723¹

Step-2: Prime Factorization of 70855

Prime factors of 70855 are 5, 37, 383. Prime factorization of 70855 in exponential form is:

70855 = 5¹ × 37¹ × 383¹

Step-3: Factors of 70845

List of positive integer factors of 70845 that divides 70845 without a remainder.

1, 3, 5, 15, 4723, 14169, 23615

Step-4: Factors of 70855

List of positive integer factors of 70855 that divides 70845 without a remainder.

1, 5, 37, 185, 383, 1915, 14171

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70845 and 70855. The biggest common factor number is the GCF number.
So the greatest common factor 70845 and 70855 is 5.

Also check out the Least Common Multiple of 70845 and 70855