What is the Greatest Common Factor of 38878 and 38885?

Greatest common factor (GCF) of 38878 and 38885 is 7.

GCF(38878,38885) = 7

We will now calculate the prime factors of 38878 and 38885, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38878 and 38885.

How to find the GCF of 38878 and 38885?

We will first find the prime factorization of 38878 and 38885. After we will calculate the factors of 38878 and 38885 and find the biggest common factor number .

Step-1: Prime Factorization of 38878

Prime factors of 38878 are 2, 7, 2777. Prime factorization of 38878 in exponential form is:

38878 = 2¹ × 7¹ × 2777¹

Step-2: Prime Factorization of 38885

Prime factors of 38885 are 5, 7, 11, 101. Prime factorization of 38885 in exponential form is:

38885 = 5¹ × 7¹ × 11¹ × 101¹

Step-3: Factors of 38878

List of positive integer factors of 38878 that divides 38878 without a remainder.

1, 2, 7, 14, 2777, 5554, 19439

Step-4: Factors of 38885

List of positive integer factors of 38885 that divides 38878 without a remainder.

1, 5, 7, 11, 35, 55, 77, 101, 385, 505, 707, 1111, 3535, 5555, 7777

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38878 and 38885. The biggest common factor number is the GCF number.
So the greatest common factor 38878 and 38885 is 7.

Also check out the Least Common Multiple of 38878 and 38885