What is the Greatest Common Factor of 91685 and 91690?

Greatest common factor (GCF) of 91685 and 91690 is 5.

GCF(91685,91690) = 5

We will now calculate the prime factors of 91685 and 91690, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91685 and 91690.

How to find the GCF of 91685 and 91690?

We will first find the prime factorization of 91685 and 91690. After we will calculate the factors of 91685 and 91690 and find the biggest common factor number .

Step-1: Prime Factorization of 91685

Prime factors of 91685 are 5, 11, 1667. Prime factorization of 91685 in exponential form is:

91685 = 5¹ × 11¹ × 1667¹

Step-2: Prime Factorization of 91690

Prime factors of 91690 are 2, 5, 53, 173. Prime factorization of 91690 in exponential form is:

91690 = 2¹ × 5¹ × 53¹ × 173¹

Step-3: Factors of 91685

List of positive integer factors of 91685 that divides 91685 without a remainder.

1, 5, 11, 55, 1667, 8335, 18337

Step-4: Factors of 91690

List of positive integer factors of 91690 that divides 91685 without a remainder.

1, 2, 5, 10, 53, 106, 173, 265, 346, 530, 865, 1730, 9169, 18338, 45845

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91685 and 91690. The biggest common factor number is the GCF number.
So the greatest common factor 91685 and 91690 is 5.

Also check out the Least Common Multiple of 91685 and 91690