What is the Greatest Common Factor of 13861 and 13870?

Greatest common factor (GCF) of 13861 and 13870 is 1.

GCF(13861,13870) = 1

We will now calculate the prime factors of 13861 and 13870, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13861 and 13870.

How to find the GCF of 13861 and 13870?

We will first find the prime factorization of 13861 and 13870. After we will calculate the factors of 13861 and 13870 and find the biggest common factor number .

Step-1: Prime Factorization of 13861

Prime factors of 13861 are 83, 167. Prime factorization of 13861 in exponential form is:

13861 = 83¹ × 167¹

Step-2: Prime Factorization of 13870

Prime factors of 13870 are 2, 5, 19, 73. Prime factorization of 13870 in exponential form is:

13870 = 2¹ × 5¹ × 19¹ × 73¹

Step-3: Factors of 13861

List of positive integer factors of 13861 that divides 13861 without a remainder.

1, 83, 167

Step-4: Factors of 13870

List of positive integer factors of 13870 that divides 13861 without a remainder.

1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 2774, 6935

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13861 and 13870. The biggest common factor number is the GCF number.
So the greatest common factor 13861 and 13870 is 1.

Also check out the Least Common Multiple of 13861 and 13870