What is the Greatest Common Factor of 77518 and 77530?

Greatest common factor (GCF) of 77518 and 77530 is 2.

GCF(77518,77530) = 2

We will now calculate the prime factors of 77518 and 77530, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77518 and 77530.

How to find the GCF of 77518 and 77530?

We will first find the prime factorization of 77518 and 77530. After we will calculate the factors of 77518 and 77530 and find the biggest common factor number .

Step-1: Prime Factorization of 77518

Prime factors of 77518 are 2, 7, 113. Prime factorization of 77518 in exponential form is:

77518 = 2¹ × 7³ × 113¹

Step-2: Prime Factorization of 77530

Prime factors of 77530 are 2, 5, 7753. Prime factorization of 77530 in exponential form is:

77530 = 2¹ × 5¹ × 7753¹

Step-3: Factors of 77518

List of positive integer factors of 77518 that divides 77518 without a remainder.

1, 2, 7, 14, 49, 98, 113, 226, 343, 686, 791, 1582, 5537, 11074, 38759

Step-4: Factors of 77530

List of positive integer factors of 77530 that divides 77518 without a remainder.

1, 2, 5, 10, 7753, 15506, 38765

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77518 and 77530. The biggest common factor number is the GCF number.
So the greatest common factor 77518 and 77530 is 2.

Also check out the Least Common Multiple of 77518 and 77530