What is the Greatest Common Factor of 78445 and 78457?

Greatest common factor (GCF) of 78445 and 78457 is 1.

GCF(78445,78457) = 1

We will now calculate the prime factors of 78445 and 78457, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78445 and 78457.

How to find the GCF of 78445 and 78457?

We will first find the prime factorization of 78445 and 78457. After we will calculate the factors of 78445 and 78457 and find the biggest common factor number .

Step-1: Prime Factorization of 78445

Prime factors of 78445 are 5, 29, 541. Prime factorization of 78445 in exponential form is:

78445 = 5¹ × 29¹ × 541¹

Step-2: Prime Factorization of 78457

Prime factors of 78457 are 67, 1171. Prime factorization of 78457 in exponential form is:

78457 = 67¹ × 1171¹

Step-3: Factors of 78445

List of positive integer factors of 78445 that divides 78445 without a remainder.

1, 5, 29, 145, 541, 2705, 15689

Step-4: Factors of 78457

List of positive integer factors of 78457 that divides 78445 without a remainder.

1, 67, 1171

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78445 and 78457. The biggest common factor number is the GCF number.
So the greatest common factor 78445 and 78457 is 1.

Also check out the Least Common Multiple of 78445 and 78457