What is the Greatest Common Factor of 77861 and 77869?

Greatest common factor (GCF) of 77861 and 77869 is 1.

GCF(77861,77869) = 1

We will now calculate the prime factors of 77861 and 77869, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77861 and 77869.

How to find the GCF of 77861 and 77869?

We will first find the prime factorization of 77861 and 77869. After we will calculate the factors of 77861 and 77869 and find the biggest common factor number .

Step-1: Prime Factorization of 77861

Prime factors of 77861 are 7, 227. Prime factorization of 77861 in exponential form is:

77861 = 7³ × 227¹

Step-2: Prime Factorization of 77869

Prime factors of 77869 are 11, 7079. Prime factorization of 77869 in exponential form is:

77869 = 11¹ × 7079¹

Step-3: Factors of 77861

List of positive integer factors of 77861 that divides 77861 without a remainder.

1, 7, 49, 227, 343, 1589, 11123

Step-4: Factors of 77869

List of positive integer factors of 77869 that divides 77861 without a remainder.

1, 11, 7079

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77861 and 77869. The biggest common factor number is the GCF number.
So the greatest common factor 77861 and 77869 is 1.

Also check out the Least Common Multiple of 77861 and 77869