What is the Greatest Common Factor of 43121 and 43138?

Greatest common factor (GCF) of 43121 and 43138 is 1.

GCF(43121,43138) = 1

We will now calculate the prime factors of 43121 and 43138, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43121 and 43138.

How to find the GCF of 43121 and 43138?

We will first find the prime factorization of 43121 and 43138. After we will calculate the factors of 43121 and 43138 and find the biggest common factor number .

Step-1: Prime Factorization of 43121

Prime factors of 43121 are 13, 31, 107. Prime factorization of 43121 in exponential form is:

43121 = 13¹ × 31¹ × 107¹

Step-2: Prime Factorization of 43138

Prime factors of 43138 are 2, 21569. Prime factorization of 43138 in exponential form is:

43138 = 2¹ × 21569¹

Step-3: Factors of 43121

List of positive integer factors of 43121 that divides 43121 without a remainder.

1, 13, 31, 107, 403, 1391, 3317

Step-4: Factors of 43138

List of positive integer factors of 43138 that divides 43121 without a remainder.

1, 2, 21569

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43121 and 43138. The biggest common factor number is the GCF number.
So the greatest common factor 43121 and 43138 is 1.

Also check out the Least Common Multiple of 43121 and 43138