What is the Greatest Common Factor of 40821 and 40838?

Greatest common factor (GCF) of 40821 and 40838 is 1.

GCF(40821,40838) = 1

We will now calculate the prime factors of 40821 and 40838, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40821 and 40838.

How to find the GCF of 40821 and 40838?

We will first find the prime factorization of 40821 and 40838. After we will calculate the factors of 40821 and 40838 and find the biggest common factor number .

Step-1: Prime Factorization of 40821

Prime factors of 40821 are 3, 11, 1237. Prime factorization of 40821 in exponential form is:

40821 = 3¹ × 11¹ × 1237¹

Step-2: Prime Factorization of 40838

Prime factors of 40838 are 2, 7, 2917. Prime factorization of 40838 in exponential form is:

40838 = 2¹ × 7¹ × 2917¹

Step-3: Factors of 40821

List of positive integer factors of 40821 that divides 40821 without a remainder.

1, 3, 11, 33, 1237, 3711, 13607

Step-4: Factors of 40838

List of positive integer factors of 40838 that divides 40821 without a remainder.

1, 2, 7, 14, 2917, 5834, 20419

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40821 and 40838. The biggest common factor number is the GCF number.
So the greatest common factor 40821 and 40838 is 1.

Also check out the Least Common Multiple of 40821 and 40838