What is the Greatest Common Factor of 77847 and 77857?

Greatest common factor (GCF) of 77847 and 77857 is 1.

GCF(77847,77857) = 1

We will now calculate the prime factors of 77847 and 77857, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77847 and 77857.

How to find the GCF of 77847 and 77857?

We will first find the prime factorization of 77847 and 77857. After we will calculate the factors of 77847 and 77857 and find the biggest common factor number .

Step-1: Prime Factorization of 77847

Prime factors of 77847 are 3, 7, 11, 337. Prime factorization of 77847 in exponential form is:

77847 = 3¹ × 7¹ × 11¹ × 337¹

Step-2: Prime Factorization of 77857

Prime factors of 77857 are 13, 53, 113. Prime factorization of 77857 in exponential form is:

77857 = 13¹ × 53¹ × 113¹

Step-3: Factors of 77847

List of positive integer factors of 77847 that divides 77847 without a remainder.

1, 3, 7, 11, 21, 33, 77, 231, 337, 1011, 2359, 3707, 7077, 11121, 25949

Step-4: Factors of 77857

List of positive integer factors of 77857 that divides 77847 without a remainder.

1, 13, 53, 113, 689, 1469, 5989

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77847 and 77857. The biggest common factor number is the GCF number.
So the greatest common factor 77847 and 77857 is 1.

Also check out the Least Common Multiple of 77847 and 77857