What is the Greatest Common Factor of 78261 and 78265?

Greatest common factor (GCF) of 78261 and 78265 is 1.

GCF(78261,78265) = 1

We will now calculate the prime factors of 78261 and 78265, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78261 and 78265.

How to find the GCF of 78261 and 78265?

We will first find the prime factorization of 78261 and 78265. After we will calculate the factors of 78261 and 78265 and find the biggest common factor number .

Step-1: Prime Factorization of 78261

Prime factors of 78261 are 3, 19, 1373. Prime factorization of 78261 in exponential form is:

78261 = 3¹ × 19¹ × 1373¹

Step-2: Prime Factorization of 78265

Prime factors of 78265 are 5, 11, 1423. Prime factorization of 78265 in exponential form is:

78265 = 5¹ × 11¹ × 1423¹

Step-3: Factors of 78261

List of positive integer factors of 78261 that divides 78261 without a remainder.

1, 3, 19, 57, 1373, 4119, 26087

Step-4: Factors of 78265

List of positive integer factors of 78265 that divides 78261 without a remainder.

1, 5, 11, 55, 1423, 7115, 15653

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78261 and 78265. The biggest common factor number is the GCF number.
So the greatest common factor 78261 and 78265 is 1.

Also check out the Least Common Multiple of 78261 and 78265