What is the Greatest Common Factor of 42865 and 42881?

Greatest common factor (GCF) of 42865 and 42881 is 1.

GCF(42865,42881) = 1

We will now calculate the prime factors of 42865 and 42881, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42865 and 42881.

How to find the GCF of 42865 and 42881?

We will first find the prime factorization of 42865 and 42881. After we will calculate the factors of 42865 and 42881 and find the biggest common factor number .

Step-1: Prime Factorization of 42865

Prime factors of 42865 are 5, 8573. Prime factorization of 42865 in exponential form is:

42865 = 5¹ × 8573¹

Step-2: Prime Factorization of 42881

Prime factors of 42881 are 137, 313. Prime factorization of 42881 in exponential form is:

42881 = 137¹ × 313¹

Step-3: Factors of 42865

List of positive integer factors of 42865 that divides 42865 without a remainder.

1, 5, 8573

Step-4: Factors of 42881

List of positive integer factors of 42881 that divides 42865 without a remainder.

1, 137, 313

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42865 and 42881. The biggest common factor number is the GCF number.
So the greatest common factor 42865 and 42881 is 1.

Also check out the Least Common Multiple of 42865 and 42881