What is the Greatest Common Factor of 13890 and 13898?

Greatest common factor (GCF) of 13890 and 13898 is 2.

GCF(13890,13898) = 2

We will now calculate the prime factors of 13890 and 13898, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13890 and 13898.

How to find the GCF of 13890 and 13898?

We will first find the prime factorization of 13890 and 13898. After we will calculate the factors of 13890 and 13898 and find the biggest common factor number .

Step-1: Prime Factorization of 13890

Prime factors of 13890 are 2, 3, 5, 463. Prime factorization of 13890 in exponential form is:

13890 = 2¹ × 3¹ × 5¹ × 463¹

Step-2: Prime Factorization of 13898

Prime factors of 13898 are 2, 6949. Prime factorization of 13898 in exponential form is:

13898 = 2¹ × 6949¹

Step-3: Factors of 13890

List of positive integer factors of 13890 that divides 13890 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 463, 926, 1389, 2315, 2778, 4630, 6945

Step-4: Factors of 13898

List of positive integer factors of 13898 that divides 13890 without a remainder.

1, 2, 6949

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13890 and 13898. The biggest common factor number is the GCF number.
So the greatest common factor 13890 and 13898 is 2.

Also check out the Least Common Multiple of 13890 and 13898