What is the Greatest Common Factor of 12770 and 12778?

Greatest common factor (GCF) of 12770 and 12778 is 2.

GCF(12770,12778) = 2

We will now calculate the prime factors of 12770 and 12778, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12770 and 12778.

How to find the GCF of 12770 and 12778?

We will first find the prime factorization of 12770 and 12778. After we will calculate the factors of 12770 and 12778 and find the biggest common factor number .

Step-1: Prime Factorization of 12770

Prime factors of 12770 are 2, 5, 1277. Prime factorization of 12770 in exponential form is:

12770 = 2¹ × 5¹ × 1277¹

Step-2: Prime Factorization of 12778

Prime factors of 12778 are 2, 6389. Prime factorization of 12778 in exponential form is:

12778 = 2¹ × 6389¹

Step-3: Factors of 12770

List of positive integer factors of 12770 that divides 12770 without a remainder.

1, 2, 5, 10, 1277, 2554, 6385

Step-4: Factors of 12778

List of positive integer factors of 12778 that divides 12770 without a remainder.

1, 2, 6389

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12770 and 12778. The biggest common factor number is the GCF number.
So the greatest common factor 12770 and 12778 is 2.

Also check out the Least Common Multiple of 12770 and 12778