What is the Greatest Common Factor of 68765 and 68775?

Greatest common factor (GCF) of 68765 and 68775 is 5.

GCF(68765,68775) = 5

We will now calculate the prime factors of 68765 and 68775, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68765 and 68775.

How to find the GCF of 68765 and 68775?

We will first find the prime factorization of 68765 and 68775. After we will calculate the factors of 68765 and 68775 and find the biggest common factor number .

Step-1: Prime Factorization of 68765

Prime factors of 68765 are 5, 17, 809. Prime factorization of 68765 in exponential form is:

68765 = 5¹ × 17¹ × 809¹

Step-2: Prime Factorization of 68775

Prime factors of 68775 are 3, 5, 7, 131. Prime factorization of 68775 in exponential form is:

68775 = 3¹ × 5² × 7¹ × 131¹

Step-3: Factors of 68765

List of positive integer factors of 68765 that divides 68765 without a remainder.

1, 5, 17, 85, 809, 4045, 13753

Step-4: Factors of 68775

List of positive integer factors of 68775 that divides 68765 without a remainder.

1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 131, 175, 393, 525, 655, 917, 1965, 2751, 3275, 4585, 9825, 13755, 22925

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68765 and 68775. The biggest common factor number is the GCF number.
So the greatest common factor 68765 and 68775 is 5.

Also check out the Least Common Multiple of 68765 and 68775