GCF and LCM Calculator Logo

What is the Greatest Common Factor of 42821 and 42839?

Greatest common factor (GCF) of 42821 and 42839 is 1.

GCF(42821,42839) = 1

We will now calculate the prime factors of 42821 and 42839, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42821 and 42839.

GCF Calculator and
and

How to find the GCF of 42821 and 42839?

We will first find the prime factorization of 42821 and 42839. After we will calculate the factors of 42821 and 42839 and find the biggest common factor number .

Step-1: Prime Factorization of 42821

Prime factors of 42821 are 42821. Prime factorization of 42821 in exponential form is:

42821 = 428211

Step-2: Prime Factorization of 42839

Prime factors of 42839 are 42839. Prime factorization of 42839 in exponential form is:

42839 = 428391

Step-3: Factors of 42821

List of positive integer factors of 42821 that divides 42821 without a remainder.

1

Step-4: Factors of 42839

List of positive integer factors of 42839 that divides 42821 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42821 and 42839. The biggest common factor number is the GCF number.
So the greatest common factor 42821 and 42839 is 1.

Also check out the Least Common Multiple of 42821 and 42839