What is the Greatest Common Factor of 85745 and 85765?

Greatest common factor (GCF) of 85745 and 85765 is 5.

GCF(85745,85765) = 5

We will now calculate the prime factors of 85745 and 85765, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 85745 and 85765.

How to find the GCF of 85745 and 85765?

We will first find the prime factorization of 85745 and 85765. After we will calculate the factors of 85745 and 85765 and find the biggest common factor number .

Step-1: Prime Factorization of 85745

Prime factors of 85745 are 5, 11, 1559. Prime factorization of 85745 in exponential form is:

85745 = 5¹ × 11¹ × 1559¹

Step-2: Prime Factorization of 85765

Prime factors of 85765 are 5, 17, 1009. Prime factorization of 85765 in exponential form is:

85765 = 5¹ × 17¹ × 1009¹

Step-3: Factors of 85745

List of positive integer factors of 85745 that divides 85745 without a remainder.

1, 5, 11, 55, 1559, 7795, 17149

Step-4: Factors of 85765

List of positive integer factors of 85765 that divides 85745 without a remainder.

1, 5, 17, 85, 1009, 5045, 17153

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 85745 and 85765. The biggest common factor number is the GCF number.
So the greatest common factor 85745 and 85765 is 5.

Also check out the Least Common Multiple of 85745 and 85765