What is the Greatest Common Factor of 71757 and 71771?

Greatest common factor (GCF) of 71757 and 71771 is 7.

GCF(71757,71771) = 7

We will now calculate the prime factors of 71757 and 71771, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71757 and 71771.

How to find the GCF of 71757 and 71771?

We will first find the prime factorization of 71757 and 71771. After we will calculate the factors of 71757 and 71771 and find the biggest common factor number .

Step-1: Prime Factorization of 71757

Prime factors of 71757 are 3, 7, 17, 67. Prime factorization of 71757 in exponential form is:

71757 = 3² × 7¹ × 17¹ × 67¹

Step-2: Prime Factorization of 71771

Prime factors of 71771 are 7, 10253. Prime factorization of 71771 in exponential form is:

71771 = 7¹ × 10253¹

Step-3: Factors of 71757

List of positive integer factors of 71757 that divides 71757 without a remainder.

1, 3, 7, 9, 17, 21, 51, 63, 67, 119, 153, 201, 357, 469, 603, 1071, 1139, 1407, 3417, 4221, 7973, 10251, 23919

Step-4: Factors of 71771

List of positive integer factors of 71771 that divides 71757 without a remainder.

1, 7, 10253

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71757 and 71771. The biggest common factor number is the GCF number.
So the greatest common factor 71757 and 71771 is 7.

Also check out the Least Common Multiple of 71757 and 71771