What is the Greatest Common Factor of 42989 and 43009?

Greatest common factor (GCF) of 42989 and 43009 is 1.

GCF(42989,43009) = 1

We will now calculate the prime factors of 42989 and 43009, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42989 and 43009.

How to find the GCF of 42989 and 43009?

We will first find the prime factorization of 42989 and 43009. After we will calculate the factors of 42989 and 43009 and find the biggest common factor number .

Step-1: Prime Factorization of 42989

Prime factors of 42989 are 42989. Prime factorization of 42989 in exponential form is:

42989 = 42989¹

Step-2: Prime Factorization of 43009

Prime factors of 43009 are 41, 1049. Prime factorization of 43009 in exponential form is:

43009 = 41¹ × 1049¹

Step-3: Factors of 42989

List of positive integer factors of 42989 that divides 42989 without a remainder.

Step-4: Factors of 43009

List of positive integer factors of 43009 that divides 42989 without a remainder.

1, 41, 1049

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42989 and 43009. The biggest common factor number is the GCF number.
So the greatest common factor 42989 and 43009 is 1.

Also check out the Least Common Multiple of 42989 and 43009