What is the Greatest Common Factor of 38765 and 38780?

Greatest common factor (GCF) of 38765 and 38780 is 5.

GCF(38765,38780) = 5

We will now calculate the prime factors of 38765 and 38780, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38765 and 38780.

How to find the GCF of 38765 and 38780?

We will first find the prime factorization of 38765 and 38780. After we will calculate the factors of 38765 and 38780 and find the biggest common factor number .

Step-1: Prime Factorization of 38765

Prime factors of 38765 are 5, 7753. Prime factorization of 38765 in exponential form is:

38765 = 5¹ × 7753¹

Step-2: Prime Factorization of 38780

Prime factors of 38780 are 2, 5, 7, 277. Prime factorization of 38780 in exponential form is:

38780 = 2² × 5¹ × 7¹ × 277¹

Step-3: Factors of 38765

List of positive integer factors of 38765 that divides 38765 without a remainder.

1, 5, 7753

Step-4: Factors of 38780

List of positive integer factors of 38780 that divides 38765 without a remainder.

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277, 554, 1108, 1385, 1939, 2770, 3878, 5540, 7756, 9695, 19390

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38765 and 38780. The biggest common factor number is the GCF number.
So the greatest common factor 38765 and 38780 is 5.

Also check out the Least Common Multiple of 38765 and 38780