What is the Greatest Common Factor of 70721 and 70739?

Greatest common factor (GCF) of 70721 and 70739 is 1.

GCF(70721,70739) = 1

We will now calculate the prime factors of 70721 and 70739, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70721 and 70739.

How to find the GCF of 70721 and 70739?

We will first find the prime factorization of 70721 and 70739. After we will calculate the factors of 70721 and 70739 and find the biggest common factor number .

Step-1: Prime Factorization of 70721

Prime factors of 70721 are 7, 10103. Prime factorization of 70721 in exponential form is:

70721 = 7¹ × 10103¹

Step-2: Prime Factorization of 70739

Prime factors of 70739 are 127, 557. Prime factorization of 70739 in exponential form is:

70739 = 127¹ × 557¹

Step-3: Factors of 70721

List of positive integer factors of 70721 that divides 70721 without a remainder.

1, 7, 10103

Step-4: Factors of 70739

List of positive integer factors of 70739 that divides 70721 without a remainder.

1, 127, 557

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70721 and 70739. The biggest common factor number is the GCF number.
So the greatest common factor 70721 and 70739 is 1.

Also check out the Least Common Multiple of 70721 and 70739