What is the Greatest Common Factor of 64770 and 64779?

Greatest common factor (GCF) of 64770 and 64779 is 3.

GCF(64770,64779) = 3

We will now calculate the prime factors of 64770 and 64779, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64770 and 64779.

How to find the GCF of 64770 and 64779?

We will first find the prime factorization of 64770 and 64779. After we will calculate the factors of 64770 and 64779 and find the biggest common factor number .

Step-1: Prime Factorization of 64770

Prime factors of 64770 are 2, 3, 5, 17, 127. Prime factorization of 64770 in exponential form is:

64770 = 2¹ × 3¹ × 5¹ × 17¹ × 127¹

Step-2: Prime Factorization of 64779

Prime factors of 64779 are 3, 11, 13, 151. Prime factorization of 64779 in exponential form is:

64779 = 3¹ × 11¹ × 13¹ × 151¹

Step-3: Factors of 64770

List of positive integer factors of 64770 that divides 64770 without a remainder.

1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 127, 170, 254, 255, 381, 510, 635, 762, 1270, 1905, 2159, 3810, 4318, 6477, 10795, 12954, 21590, 32385

Step-4: Factors of 64779

List of positive integer factors of 64779 that divides 64770 without a remainder.

1, 3, 11, 13, 33, 39, 143, 151, 429, 453, 1661, 1963, 4983, 5889, 21593

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64770 and 64779. The biggest common factor number is the GCF number.
So the greatest common factor 64770 and 64779 is 3.

Also check out the Least Common Multiple of 64770 and 64779