What is the Greatest Common Factor of 66478 and 66486?

Greatest common factor (GCF) of 66478 and 66486 is 2.

GCF(66478,66486) = 2

We will now calculate the prime factors of 66478 and 66486, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66478 and 66486.

How to find the GCF of 66478 and 66486?

We will first find the prime factorization of 66478 and 66486. After we will calculate the factors of 66478 and 66486 and find the biggest common factor number .

Step-1: Prime Factorization of 66478

Prime factors of 66478 are 2, 43, 773. Prime factorization of 66478 in exponential form is:

66478 = 2¹ × 43¹ × 773¹

Step-2: Prime Factorization of 66486

Prime factors of 66486 are 2, 3, 7, 1583. Prime factorization of 66486 in exponential form is:

66486 = 2¹ × 3¹ × 7¹ × 1583¹

Step-3: Factors of 66478

List of positive integer factors of 66478 that divides 66478 without a remainder.

1, 2, 43, 86, 773, 1546, 33239

Step-4: Factors of 66486

List of positive integer factors of 66486 that divides 66478 without a remainder.

1, 2, 3, 6, 7, 14, 21, 42, 1583, 3166, 4749, 9498, 11081, 22162, 33243

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66478 and 66486. The biggest common factor number is the GCF number.
So the greatest common factor 66478 and 66486 is 2.

Also check out the Least Common Multiple of 66478 and 66486