What is the Greatest Common Factor of 38870 and 38885?

Greatest common factor (GCF) of 38870 and 38885 is 5.

GCF(38870,38885) = 5

We will now calculate the prime factors of 38870 and 38885, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38870 and 38885.

How to find the GCF of 38870 and 38885?

We will first find the prime factorization of 38870 and 38885. After we will calculate the factors of 38870 and 38885 and find the biggest common factor number .

Step-1: Prime Factorization of 38870

Prime factors of 38870 are 2, 5, 13, 23. Prime factorization of 38870 in exponential form is:

38870 = 2¹ × 5¹ × 13² × 23¹

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 38870

List of positive integer factors of 38870 that divides 38870 without a remainder.

1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 169, 230, 299, 338, 598, 845, 1495, 1690, 2990, 3887, 7774, 19435

Step-4: Factors of 38885

List of positive integer factors of 38885 that divides 38870 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 38870 and 38885. The biggest common factor number is the GCF number.
So the greatest common factor 38870 and 38885 is 5.

Also check out the Least Common Multiple of 38870 and 38885