What is the Greatest Common Factor of 10855 and 10868?

Greatest common factor (GCF) of 10855 and 10868 is 13.

GCF(10855,10868) = 13

We will now calculate the prime factors of 10855 and 10868, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10855 and 10868.

How to find the GCF of 10855 and 10868?

We will first find the prime factorization of 10855 and 10868. After we will calculate the factors of 10855 and 10868 and find the biggest common factor number .

Step-1: Prime Factorization of 10855

Prime factors of 10855 are 5, 13, 167. Prime factorization of 10855 in exponential form is:

10855 = 5¹ × 13¹ × 167¹

Step-2: Prime Factorization of 10868

Prime factors of 10868 are 2, 11, 13, 19. Prime factorization of 10868 in exponential form is:

10868 = 2² × 11¹ × 13¹ × 19¹

Step-3: Factors of 10855

List of positive integer factors of 10855 that divides 10855 without a remainder.

1, 5, 13, 65, 167, 835, 2171

Step-4: Factors of 10868

List of positive integer factors of 10868 that divides 10855 without a remainder.

1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 418, 494, 572, 836, 988, 2717, 5434

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10855 and 10868. The biggest common factor number is the GCF number.
So the greatest common factor 10855 and 10868 is 13.

Also check out the Least Common Multiple of 10855 and 10868