What is the Greatest Common Factor of 64770 and 64782?

Greatest common factor (GCF) of 64770 and 64782 is 6.

GCF(64770,64782) = 6

We will now calculate the prime factors of 64770 and 64782, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64770 and 64782.

How to find the GCF of 64770 and 64782?

We will first find the prime factorization of 64770 and 64782. After we will calculate the factors of 64770 and 64782 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 64782

Prime factors of 64782 are 2, 3, 59, 61. Prime factorization of 64782 in exponential form is:

64782 = 2¹ × 3² × 59¹ × 61¹

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 64782

List of positive integer factors of 64782 that divides 64770 without a remainder.

1, 2, 3, 6, 9, 18, 59, 61, 118, 122, 177, 183, 354, 366, 531, 549, 1062, 1098, 3599, 7198, 10797, 21594, 32391

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64770 and 64782. The biggest common factor number is the GCF number.
So the greatest common factor 64770 and 64782 is 6.

Also check out the Least Common Multiple of 64770 and 64782