What is the Greatest Common Factor of 8690 and 8705?

Greatest common factor (GCF) of 8690 and 8705 is 5.

GCF(8690,8705) = 5

We will now calculate the prime factors of 8690 and 8705, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8690 and 8705.

How to find the GCF of 8690 and 8705?

We will first find the prime factorization of 8690 and 8705. After we will calculate the factors of 8690 and 8705 and find the biggest common factor number .

Step-1: Prime Factorization of 8690

Prime factors of 8690 are 2, 5, 11, 79. Prime factorization of 8690 in exponential form is:

8690 = 2¹ × 5¹ × 11¹ × 79¹

Step-2: Prime Factorization of 8705

Prime factors of 8705 are 5, 1741. Prime factorization of 8705 in exponential form is:

8705 = 5¹ × 1741¹

Step-3: Factors of 8690

List of positive integer factors of 8690 that divides 8690 without a remainder.

1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 4345

Step-4: Factors of 8705

List of positive integer factors of 8705 that divides 8690 without a remainder.

1, 5, 1741

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 8690 and 8705. The biggest common factor number is the GCF number.
So the greatest common factor 8690 and 8705 is 5.

Also check out the Least Common Multiple of 8690 and 8705