What is the Greatest Common Factor of 20878 and 20887?

Greatest common factor (GCF) of 20878 and 20887 is 1.

GCF(20878,20887) = 1

We will now calculate the prime factors of 20878 and 20887, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20878 and 20887.

How to find the GCF of 20878 and 20887?

We will first find the prime factorization of 20878 and 20887. After we will calculate the factors of 20878 and 20887 and find the biggest common factor number .

Step-1: Prime Factorization of 20878

Prime factors of 20878 are 2, 11, 13, 73. Prime factorization of 20878 in exponential form is:

20878 = 2¹ × 11¹ × 13¹ × 73¹

Step-2: Prime Factorization of 20887

Prime factors of 20887 are 20887. Prime factorization of 20887 in exponential form is:

20887 = 20887¹

Step-3: Factors of 20878

List of positive integer factors of 20878 that divides 20878 without a remainder.

1, 2, 11, 13, 22, 26, 73, 143, 146, 286, 803, 949, 1606, 1898, 10439

Step-4: Factors of 20887

List of positive integer factors of 20887 that divides 20878 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20878 and 20887. The biggest common factor number is the GCF number.
So the greatest common factor 20878 and 20887 is 1.

Also check out the Least Common Multiple of 20878 and 20887