What is the Greatest Common Factor of 43139 and 43146?

Greatest common factor (GCF) of 43139 and 43146 is 1.

GCF(43139,43146) = 1

We will now calculate the prime factors of 43139 and 43146, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43139 and 43146.

How to find the GCF of 43139 and 43146?

We will first find the prime factorization of 43139 and 43146. After we will calculate the factors of 43139 and 43146 and find the biggest common factor number .

Step-1: Prime Factorization of 43139

Prime factors of 43139 are 179, 241. Prime factorization of 43139 in exponential form is:

43139 = 179¹ × 241¹

Step-2: Prime Factorization of 43146

Prime factors of 43146 are 2, 3, 17, 47. Prime factorization of 43146 in exponential form is:

43146 = 2¹ × 3³ × 17¹ × 47¹

Step-3: Factors of 43139

List of positive integer factors of 43139 that divides 43139 without a remainder.

1, 179, 241

Step-4: Factors of 43146

List of positive integer factors of 43146 that divides 43139 without a remainder.

1, 2, 3, 6, 9, 17, 18, 27, 34, 47, 51, 54, 94, 102, 141, 153, 282, 306, 423, 459, 799, 846, 918, 1269, 1598, 2397, 2538, 4794, 7191, 14382, 21573

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43139 and 43146. The biggest common factor number is the GCF number.
So the greatest common factor 43139 and 43146 is 1.

Also check out the Least Common Multiple of 43139 and 43146