What is the Greatest Common Factor of 38770 and 38781?

Greatest common factor (GCF) of 38770 and 38781 is 1.

GCF(38770,38781) = 1

We will now calculate the prime factors of 38770 and 38781, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38770 and 38781.

How to find the GCF of 38770 and 38781?

We will first find the prime factorization of 38770 and 38781. After we will calculate the factors of 38770 and 38781 and find the biggest common factor number .

Step-1: Prime Factorization of 38770

Prime factors of 38770 are 2, 5, 3877. Prime factorization of 38770 in exponential form is:

38770 = 2¹ × 5¹ × 3877¹

Step-2: Prime Factorization of 38781

Prime factors of 38781 are 3, 31, 139. Prime factorization of 38781 in exponential form is:

38781 = 3² × 31¹ × 139¹

Step-3: Factors of 38770

List of positive integer factors of 38770 that divides 38770 without a remainder.

1, 2, 5, 10, 3877, 7754, 19385

Step-4: Factors of 38781

List of positive integer factors of 38781 that divides 38770 without a remainder.

1, 3, 9, 31, 93, 139, 279, 417, 1251, 4309, 12927

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38770 and 38781. The biggest common factor number is the GCF number.
So the greatest common factor 38770 and 38781 is 1.

Also check out the Least Common Multiple of 38770 and 38781