What is the Greatest Common Factor of 77150 and 77165?

Greatest common factor (GCF) of 77150 and 77165 is 5.

GCF(77150,77165) = 5

We will now calculate the prime factors of 77150 and 77165, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77150 and 77165.

How to find the GCF of 77150 and 77165?

We will first find the prime factorization of 77150 and 77165. After we will calculate the factors of 77150 and 77165 and find the biggest common factor number .

Step-1: Prime Factorization of 77150

Prime factors of 77150 are 2, 5, 1543. Prime factorization of 77150 in exponential form is:

77150 = 2¹ × 5² × 1543¹

Step-2: Prime Factorization of 77165

Prime factors of 77165 are 5, 11, 23, 61. Prime factorization of 77165 in exponential form is:

77165 = 5¹ × 11¹ × 23¹ × 61¹

Step-3: Factors of 77150

List of positive integer factors of 77150 that divides 77150 without a remainder.

1, 2, 5, 10, 25, 50, 1543, 3086, 7715, 15430, 38575

Step-4: Factors of 77165

List of positive integer factors of 77165 that divides 77150 without a remainder.

1, 5, 11, 23, 55, 61, 115, 253, 305, 671, 1265, 1403, 3355, 7015, 15433

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77150 and 77165. The biggest common factor number is the GCF number.
So the greatest common factor 77150 and 77165 is 5.

Also check out the Least Common Multiple of 77150 and 77165