What is the Greatest Common Factor of 13945 and 13961?

Greatest common factor (GCF) of 13945 and 13961 is 1.

GCF(13945,13961) = 1

We will now calculate the prime factors of 13945 and 13961, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13945 and 13961.

How to find the GCF of 13945 and 13961?

We will first find the prime factorization of 13945 and 13961. After we will calculate the factors of 13945 and 13961 and find the biggest common factor number .

Step-1: Prime Factorization of 13945

Prime factors of 13945 are 5, 2789. Prime factorization of 13945 in exponential form is:

13945 = 5¹ × 2789¹

Step-2: Prime Factorization of 13961

Prime factors of 13961 are 23, 607. Prime factorization of 13961 in exponential form is:

13961 = 23¹ × 607¹

Step-3: Factors of 13945

List of positive integer factors of 13945 that divides 13945 without a remainder.

1, 5, 2789

Step-4: Factors of 13961

List of positive integer factors of 13961 that divides 13945 without a remainder.

1, 23, 607

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13945 and 13961. The biggest common factor number is the GCF number.
So the greatest common factor 13945 and 13961 is 1.

Also check out the Least Common Multiple of 13945 and 13961