What is the Greatest Common Factor of 78513 and 78518?

Greatest common factor (GCF) of 78513 and 78518 is 1.

GCF(78513,78518) = 1

We will now calculate the prime factors of 78513 and 78518, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78513 and 78518.

How to find the GCF of 78513 and 78518?

We will first find the prime factorization of 78513 and 78518. After we will calculate the factors of 78513 and 78518 and find the biggest common factor number .

Step-1: Prime Factorization of 78513

Prime factors of 78513 are 3, 26171. Prime factorization of 78513 in exponential form is:

78513 = 3¹ × 26171¹

Step-2: Prime Factorization of 78518

Prime factors of 78518 are 2, 11, 43, 83. Prime factorization of 78518 in exponential form is:

78518 = 2¹ × 11¹ × 43¹ × 83¹

Step-3: Factors of 78513

List of positive integer factors of 78513 that divides 78513 without a remainder.

1, 3, 26171

Step-4: Factors of 78518

List of positive integer factors of 78518 that divides 78513 without a remainder.

1, 2, 11, 22, 43, 83, 86, 166, 473, 913, 946, 1826, 3569, 7138, 39259

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78513 and 78518. The biggest common factor number is the GCF number.
So the greatest common factor 78513 and 78518 is 1.

Also check out the Least Common Multiple of 78513 and 78518