What is the Greatest Common Factor of 72821 and 72839?

Greatest common factor (GCF) of 72821 and 72839 is 1.

GCF(72821,72839) = 1

We will now calculate the prime factors of 72821 and 72839, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72821 and 72839.

How to find the GCF of 72821 and 72839?

We will first find the prime factorization of 72821 and 72839. After we will calculate the factors of 72821 and 72839 and find the biggest common factor number .

Step-1: Prime Factorization of 72821

Prime factors of 72821 are 7, 101, 103. Prime factorization of 72821 in exponential form is:

72821 = 7¹ × 101¹ × 103¹

Step-2: Prime Factorization of 72839

Prime factors of 72839 are 13, 431. Prime factorization of 72839 in exponential form is:

72839 = 13² × 431¹

Step-3: Factors of 72821

List of positive integer factors of 72821 that divides 72821 without a remainder.

1, 7, 101, 103, 707, 721, 10403

Step-4: Factors of 72839

List of positive integer factors of 72839 that divides 72821 without a remainder.

1, 13, 169, 431, 5603

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72821 and 72839. The biggest common factor number is the GCF number.
So the greatest common factor 72821 and 72839 is 1.

Also check out the Least Common Multiple of 72821 and 72839