What is the Greatest Common Factor of 77415 and 77431?

Greatest common factor (GCF) of 77415 and 77431 is 1.

GCF(77415,77431) = 1

We will now calculate the prime factors of 77415 and 77431, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77415 and 77431.

How to find the GCF of 77415 and 77431?

We will first find the prime factorization of 77415 and 77431. After we will calculate the factors of 77415 and 77431 and find the biggest common factor number .

Step-1: Prime Factorization of 77415

Prime factors of 77415 are 3, 5, 13, 397. Prime factorization of 77415 in exponential form is:

77415 = 3¹ × 5¹ × 13¹ × 397¹

Step-2: Prime Factorization of 77431

Prime factors of 77431 are 77431. Prime factorization of 77431 in exponential form is:

77431 = 77431¹

Step-3: Factors of 77415

List of positive integer factors of 77415 that divides 77415 without a remainder.

1, 3, 5, 13, 15, 39, 65, 195, 397, 1191, 1985, 5161, 5955, 15483, 25805

Step-4: Factors of 77431

List of positive integer factors of 77431 that divides 77415 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77415 and 77431. The biggest common factor number is the GCF number.
So the greatest common factor 77415 and 77431 is 1.

Also check out the Least Common Multiple of 77415 and 77431