What is the Greatest Common Factor of 38905 and 38913?

Greatest common factor (GCF) of 38905 and 38913 is 1.

GCF(38905,38913) = 1

We will now calculate the prime factors of 38905 and 38913, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38905 and 38913.

How to find the GCF of 38905 and 38913?

We will first find the prime factorization of 38905 and 38913. After we will calculate the factors of 38905 and 38913 and find the biggest common factor number .

Step-1: Prime Factorization of 38905

Prime factors of 38905 are 5, 31, 251. Prime factorization of 38905 in exponential form is:

38905 = 5¹ × 31¹ × 251¹

Step-2: Prime Factorization of 38913

Prime factors of 38913 are 3, 7, 17, 109. Prime factorization of 38913 in exponential form is:

38913 = 3¹ × 7¹ × 17¹ × 109¹

Step-3: Factors of 38905

List of positive integer factors of 38905 that divides 38905 without a remainder.

1, 5, 31, 155, 251, 1255, 7781

Step-4: Factors of 38913

List of positive integer factors of 38913 that divides 38905 without a remainder.

1, 3, 7, 17, 21, 51, 109, 119, 327, 357, 763, 1853, 2289, 5559, 12971

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38905 and 38913. The biggest common factor number is the GCF number.
So the greatest common factor 38905 and 38913 is 1.

Also check out the Least Common Multiple of 38905 and 38913