What is the Greatest Common Factor of 78740 and 78754?

Greatest common factor (GCF) of 78740 and 78754 is 2.

GCF(78740,78754) = 2

We will now calculate the prime factors of 78740 and 78754, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78740 and 78754.

How to find the GCF of 78740 and 78754?

We will first find the prime factorization of 78740 and 78754. After we will calculate the factors of 78740 and 78754 and find the biggest common factor number .

Step-1: Prime Factorization of 78740

Prime factors of 78740 are 2, 5, 31, 127. Prime factorization of 78740 in exponential form is:

78740 = 2² × 5¹ × 31¹ × 127¹

Step-2: Prime Factorization of 78754

Prime factors of 78754 are 2, 13, 233. Prime factorization of 78754 in exponential form is:

78754 = 2¹ × 13² × 233¹

Step-3: Factors of 78740

List of positive integer factors of 78740 that divides 78740 without a remainder.

1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 1270, 2540, 3937, 7874, 15748, 19685, 39370

Step-4: Factors of 78754

List of positive integer factors of 78754 that divides 78740 without a remainder.

1, 2, 13, 26, 169, 233, 338, 466, 3029, 6058, 39377

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78740 and 78754. The biggest common factor number is the GCF number.
So the greatest common factor 78740 and 78754 is 2.

Also check out the Least Common Multiple of 78740 and 78754