What is the Greatest Common Factor of 71781 and 71787?

Greatest common factor (GCF) of 71781 and 71787 is 3.

GCF(71781,71787) = 3

We will now calculate the prime factors of 71781 and 71787, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71781 and 71787.

How to find the GCF of 71781 and 71787?

We will first find the prime factorization of 71781 and 71787. After we will calculate the factors of 71781 and 71787 and find the biggest common factor number .

Step-1: Prime Factorization of 71781

Prime factors of 71781 are 3, 71, 337. Prime factorization of 71781 in exponential form is:

71781 = 3¹ × 71¹ × 337¹

Step-2: Prime Factorization of 71787

Prime factors of 71787 are 3, 23929. Prime factorization of 71787 in exponential form is:

71787 = 3¹ × 23929¹

Step-3: Factors of 71781

List of positive integer factors of 71781 that divides 71781 without a remainder.

1, 3, 71, 213, 337, 1011, 23927

Step-4: Factors of 71787

List of positive integer factors of 71787 that divides 71781 without a remainder.

1, 3, 23929

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71781 and 71787. The biggest common factor number is the GCF number.
So the greatest common factor 71781 and 71787 is 3.

Also check out the Least Common Multiple of 71781 and 71787