What is the Greatest Common Factor of 38705 and 38715?

Greatest common factor (GCF) of 38705 and 38715 is 5.

GCF(38705,38715) = 5

We will now calculate the prime factors of 38705 and 38715, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38705 and 38715.

How to find the GCF of 38705 and 38715?

We will first find the prime factorization of 38705 and 38715. After we will calculate the factors of 38705 and 38715 and find the biggest common factor number .

Step-1: Prime Factorization of 38705

Prime factors of 38705 are 5, 7741. Prime factorization of 38705 in exponential form is:

38705 = 5¹ × 7741¹

Step-2: Prime Factorization of 38715

Prime factors of 38715 are 3, 5, 29, 89. Prime factorization of 38715 in exponential form is:

38715 = 3¹ × 5¹ × 29¹ × 89¹

Step-3: Factors of 38705

List of positive integer factors of 38705 that divides 38705 without a remainder.

1, 5, 7741

Step-4: Factors of 38715

List of positive integer factors of 38715 that divides 38705 without a remainder.

1, 3, 5, 15, 29, 87, 89, 145, 267, 435, 445, 1335, 2581, 7743, 12905

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38705 and 38715. The biggest common factor number is the GCF number.
So the greatest common factor 38705 and 38715 is 5.

Also check out the Least Common Multiple of 38705 and 38715