What is the Greatest Common Factor of 85370 and 85385?

Greatest common factor (GCF) of 85370 and 85385 is 5.

GCF(85370,85385) = 5

We will now calculate the prime factors of 85370 and 85385, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85370 and 85385.

How to find the GCF of 85370 and 85385?

We will first find the prime factorization of 85370 and 85385. After we will calculate the factors of 85370 and 85385 and find the biggest common factor number .

Step-1: Prime Factorization of 85370

Prime factors of 85370 are 2, 5, 8537. Prime factorization of 85370 in exponential form is:

85370 = 2¹ × 5¹ × 8537¹

Step-2: Prime Factorization of 85385

Prime factors of 85385 are 5, 17077. Prime factorization of 85385 in exponential form is:

85385 = 5¹ × 17077¹

Step-3: Factors of 85370

List of positive integer factors of 85370 that divides 85370 without a remainder.

1, 2, 5, 10, 8537, 17074, 42685

Step-4: Factors of 85385

List of positive integer factors of 85385 that divides 85370 without a remainder.

1, 5, 17077

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85370 and 85385. The biggest common factor number is the GCF number.
So the greatest common factor 85370 and 85385 is 5.

Also check out the Least Common Multiple of 85370 and 85385