What is the Greatest Common Factor of 78565 and 78584?

Greatest common factor (GCF) of 78565 and 78584 is 19.

GCF(78565,78584) = 19

We will now calculate the prime factors of 78565 and 78584, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78565 and 78584.

How to find the GCF of 78565 and 78584?

We will first find the prime factorization of 78565 and 78584. After we will calculate the factors of 78565 and 78584 and find the biggest common factor number .

Step-1: Prime Factorization of 78565

Prime factors of 78565 are 5, 19, 827. Prime factorization of 78565 in exponential form is:

78565 = 5¹ × 19¹ × 827¹

Step-2: Prime Factorization of 78584

Prime factors of 78584 are 2, 11, 19, 47. Prime factorization of 78584 in exponential form is:

78584 = 2³ × 11¹ × 19¹ × 47¹

Step-3: Factors of 78565

List of positive integer factors of 78565 that divides 78565 without a remainder.

1, 5, 19, 95, 827, 4135, 15713

Step-4: Factors of 78584

List of positive integer factors of 78584 that divides 78565 without a remainder.

1, 2, 4, 8, 11, 19, 22, 38, 44, 47, 76, 88, 94, 152, 188, 209, 376, 418, 517, 836, 893, 1034, 1672, 1786, 2068, 3572, 4136, 7144, 9823, 19646, 39292

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78565 and 78584. The biggest common factor number is the GCF number.
So the greatest common factor 78565 and 78584 is 19.

Also check out the Least Common Multiple of 78565 and 78584