What is the Greatest Common Factor of 77215 and 77231?

Greatest common factor (GCF) of 77215 and 77231 is 1.

GCF(77215,77231) = 1

We will now calculate the prime factors of 77215 and 77231, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77215 and 77231.

How to find the GCF of 77215 and 77231?

We will first find the prime factorization of 77215 and 77231. After we will calculate the factors of 77215 and 77231 and find the biggest common factor number .

Step-1: Prime Factorization of 77215

Prime factors of 77215 are 5, 15443. Prime factorization of 77215 in exponential form is:

77215 = 5¹ × 15443¹

Step-2: Prime Factorization of 77231

Prime factors of 77231 are 7, 11, 17, 59. Prime factorization of 77231 in exponential form is:

77231 = 7¹ × 11¹ × 17¹ × 59¹

Step-3: Factors of 77215

List of positive integer factors of 77215 that divides 77215 without a remainder.

1, 5, 15443

Step-4: Factors of 77231

List of positive integer factors of 77231 that divides 77215 without a remainder.

1, 7, 11, 17, 59, 77, 119, 187, 413, 649, 1003, 1309, 4543, 7021, 11033

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77215 and 77231. The biggest common factor number is the GCF number.
So the greatest common factor 77215 and 77231 is 1.

Also check out the Least Common Multiple of 77215 and 77231