What is the Greatest Common Factor of 77315 and 77321?

Greatest common factor (GCF) of 77315 and 77321 is 1.

GCF(77315,77321) = 1

We will now calculate the prime factors of 77315 and 77321, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77315 and 77321.

How to find the GCF of 77315 and 77321?

We will first find the prime factorization of 77315 and 77321. After we will calculate the factors of 77315 and 77321 and find the biggest common factor number .

Step-1: Prime Factorization of 77315

Prime factors of 77315 are 5, 7, 47. Prime factorization of 77315 in exponential form is:

77315 = 5¹ × 7¹ × 47²

Step-2: Prime Factorization of 77321

Prime factors of 77321 are 167, 463. Prime factorization of 77321 in exponential form is:

77321 = 167¹ × 463¹

Step-3: Factors of 77315

List of positive integer factors of 77315 that divides 77315 without a remainder.

1, 5, 7, 35, 47, 235, 329, 1645, 2209, 11045, 15463

Step-4: Factors of 77321

List of positive integer factors of 77321 that divides 77315 without a remainder.

1, 167, 463

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77315 and 77321. The biggest common factor number is the GCF number.
So the greatest common factor 77315 and 77321 is 1.

Also check out the Least Common Multiple of 77315 and 77321