What is the Greatest Common Factor of 43090 and 43109?

Greatest common factor (GCF) of 43090 and 43109 is 1.

GCF(43090,43109) = 1

We will now calculate the prime factors of 43090 and 43109, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43090 and 43109.

How to find the GCF of 43090 and 43109?

We will first find the prime factorization of 43090 and 43109. After we will calculate the factors of 43090 and 43109 and find the biggest common factor number .

Step-1: Prime Factorization of 43090

Prime factors of 43090 are 2, 5, 31, 139. Prime factorization of 43090 in exponential form is:

43090 = 2¹ × 5¹ × 31¹ × 139¹

Step-2: Prime Factorization of 43109

Prime factors of 43109 are 11, 3919. Prime factorization of 43109 in exponential form is:

43109 = 11¹ × 3919¹

Step-3: Factors of 43090

List of positive integer factors of 43090 that divides 43090 without a remainder.

1, 2, 5, 10, 31, 62, 139, 155, 278, 310, 695, 1390, 4309, 8618, 21545

Step-4: Factors of 43109

List of positive integer factors of 43109 that divides 43090 without a remainder.

1, 11, 3919

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43090 and 43109. The biggest common factor number is the GCF number.
So the greatest common factor 43090 and 43109 is 1.

Also check out the Least Common Multiple of 43090 and 43109