What is the Greatest Common Factor of 71740 and 71747?

Greatest common factor (GCF) of 71740 and 71747 is 1.

GCF(71740,71747) = 1

We will now calculate the prime factors of 71740 and 71747, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71740 and 71747.

How to find the GCF of 71740 and 71747?

We will first find the prime factorization of 71740 and 71747. After we will calculate the factors of 71740 and 71747 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 71747

Prime factors of 71747 are 13, 5519. Prime factorization of 71747 in exponential form is:

71747 = 13¹ × 5519¹

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 71747

List of positive integer factors of 71747 that divides 71740 without a remainder.

1, 13, 5519

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71740 and 71747. The biggest common factor number is the GCF number.
So the greatest common factor 71740 and 71747 is 1.

Also check out the Least Common Multiple of 71740 and 71747