What is the Greatest Common Factor of 71644 and 71660?

Greatest common factor (GCF) of 71644 and 71660 is 4.

GCF(71644,71660) = 4

We will now calculate the prime factors of 71644 and 71660, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71644 and 71660.

How to find the GCF of 71644 and 71660?

We will first find the prime factorization of 71644 and 71660. After we will calculate the factors of 71644 and 71660 and find the biggest common factor number .

Step-1: Prime Factorization of 71644

Prime factors of 71644 are 2, 17911. Prime factorization of 71644 in exponential form is:

71644 = 2² × 17911¹

Step-2: Prime Factorization of 71660

Prime factors of 71660 are 2, 5, 3583. Prime factorization of 71660 in exponential form is:

71660 = 2² × 5¹ × 3583¹

Step-3: Factors of 71644

List of positive integer factors of 71644 that divides 71644 without a remainder.

1, 2, 4, 17911, 35822

Step-4: Factors of 71660

List of positive integer factors of 71660 that divides 71644 without a remainder.

1, 2, 4, 5, 10, 20, 3583, 7166, 14332, 17915, 35830

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71644 and 71660. The biggest common factor number is the GCF number.
So the greatest common factor 71644 and 71660 is 4.

Also check out the Least Common Multiple of 71644 and 71660