What is the Greatest Common Factor of 71740 and 71745?

Greatest common factor (GCF) of 71740 and 71745 is 5.

GCF(71740,71745) = 5

We will now calculate the prime factors of 71740 and 71745, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71740 and 71745.

How to find the GCF of 71740 and 71745?

We will first find the prime factorization of 71740 and 71745. After we will calculate the factors of 71740 and 71745 and find the biggest common factor number .

Step-1: Prime Factorization of 71740

Prime factors of 71740 are 2, 5, 17, 211. Prime factorization of 71740 in exponential form is:

71740 = 2² × 5¹ × 17¹ × 211¹

Step-2: Prime Factorization of 71745

Prime factors of 71745 are 3, 5, 4783. Prime factorization of 71745 in exponential form is:

71745 = 3¹ × 5¹ × 4783¹

Step-3: Factors of 71740

List of positive integer factors of 71740 that divides 71740 without a remainder.

1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 211, 340, 422, 844, 1055, 2110, 3587, 4220, 7174, 14348, 17935, 35870

Step-4: Factors of 71745

List of positive integer factors of 71745 that divides 71740 without a remainder.

1, 3, 5, 15, 4783, 14349, 23915

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71740 and 71745. The biggest common factor number is the GCF number.
So the greatest common factor 71740 and 71745 is 5.

Also check out the Least Common Multiple of 71740 and 71745