What is the Greatest Common Factor of 71787 and 71802?

Greatest common factor (GCF) of 71787 and 71802 is 3.

GCF(71787,71802) = 3

We will now calculate the prime factors of 71787 and 71802, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71787 and 71802.

How to find the GCF of 71787 and 71802?

We will first find the prime factorization of 71787 and 71802. After we will calculate the factors of 71787 and 71802 and find the biggest common factor number .

Step-1: Prime Factorization of 71787

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

71787 = 3¹ × 23929¹

Step-2: Prime Factorization of 71802

Prime factors of 71802 are 2, 3, 3989. Prime factorization of 71802 in exponential form is:

71802 = 2¹ × 3² × 3989¹

Step-3: Factors of 71787

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

1, 3, 23929

Step-4: Factors of 71802

List of positive integer factors of 71802 that divides 71787 without a remainder.

1, 2, 3, 6, 9, 18, 3989, 7978, 11967, 23934, 35901

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71787 and 71802. The biggest common factor number is the GCF number.
So the greatest common factor 71787 and 71802 is 3.

Also check out the Least Common Multiple of 71787 and 71802