What is the Greatest Common Factor of 71639 and 71645?

Greatest common factor (GCF) of 71639 and 71645 is 1.

GCF(71639,71645) = 1

We will now calculate the prime factors of 71639 and 71645, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71639 and 71645.

How to find the GCF of 71639 and 71645?

We will first find the prime factorization of 71639 and 71645. After we will calculate the factors of 71639 and 71645 and find the biggest common factor number .

Step-1: Prime Factorization of 71639

Prime factors of 71639 are 71, 1009. Prime factorization of 71639 in exponential form is:

71639 = 71¹ × 1009¹

Step-2: Prime Factorization of 71645

Prime factors of 71645 are 5, 7, 23, 89. Prime factorization of 71645 in exponential form is:

71645 = 5¹ × 7¹ × 23¹ × 89¹

Step-3: Factors of 71639

List of positive integer factors of 71639 that divides 71639 without a remainder.

1, 71, 1009

Step-4: Factors of 71645

List of positive integer factors of 71645 that divides 71639 without a remainder.

1, 5, 7, 23, 35, 89, 115, 161, 445, 623, 805, 2047, 3115, 10235, 14329

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71639 and 71645. The biggest common factor number is the GCF number.
So the greatest common factor 71639 and 71645 is 1.

Also check out the Least Common Multiple of 71639 and 71645