What is the Greatest Common Factor of 42861 and 42876?

Greatest common factor (GCF) of 42861 and 42876 is 3.

GCF(42861,42876) = 3

We will now calculate the prime factors of 42861 and 42876, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42861 and 42876.

How to find the GCF of 42861 and 42876?

We will first find the prime factorization of 42861 and 42876. After we will calculate the factors of 42861 and 42876 and find the biggest common factor number .

Step-1: Prime Factorization of 42861

Prime factors of 42861 are 3, 7, 13, 157. Prime factorization of 42861 in exponential form is:

42861 = 3¹ × 7¹ × 13¹ × 157¹

Step-2: Prime Factorization of 42876

Prime factors of 42876 are 2, 3, 397. Prime factorization of 42876 in exponential form is:

42876 = 2² × 3³ × 397¹

Step-3: Factors of 42861

List of positive integer factors of 42861 that divides 42861 without a remainder.

1, 3, 7, 13, 21, 39, 91, 157, 273, 471, 1099, 2041, 3297, 6123, 14287

Step-4: Factors of 42876

List of positive integer factors of 42876 that divides 42861 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 397, 794, 1191, 1588, 2382, 3573, 4764, 7146, 10719, 14292, 21438

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42861 and 42876. The biggest common factor number is the GCF number.
So the greatest common factor 42861 and 42876 is 3.

Also check out the Least Common Multiple of 42861 and 42876