What is the Greatest Common Factor of 77470 and 77479?

Greatest common factor (GCF) of 77470 and 77479 is 1.

GCF(77470,77479) = 1

We will now calculate the prime factors of 77470 and 77479, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77470 and 77479.

How to find the GCF of 77470 and 77479?

We will first find the prime factorization of 77470 and 77479. After we will calculate the factors of 77470 and 77479 and find the biggest common factor number .

Step-1: Prime Factorization of 77470

Prime factors of 77470 are 2, 5, 61, 127. Prime factorization of 77470 in exponential form is:

77470 = 2¹ × 5¹ × 61¹ × 127¹

Step-2: Prime Factorization of 77479

Prime factors of 77479 are 77479. Prime factorization of 77479 in exponential form is:

77479 = 77479¹

Step-3: Factors of 77470

List of positive integer factors of 77470 that divides 77470 without a remainder.

1, 2, 5, 10, 61, 122, 127, 254, 305, 610, 635, 1270, 7747, 15494, 38735

Step-4: Factors of 77479

List of positive integer factors of 77479 that divides 77470 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77470 and 77479. The biggest common factor number is the GCF number.
So the greatest common factor 77470 and 77479 is 1.

Also check out the Least Common Multiple of 77470 and 77479