What is the Greatest Common Factor of 26828 and 26840?

Greatest common factor (GCF) of 26828 and 26840 is 4.

GCF(26828,26840) = 4

We will now calculate the prime factors of 26828 and 26840, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 26828 and 26840.

How to find the GCF of 26828 and 26840?

We will first find the prime factorization of 26828 and 26840. After we will calculate the factors of 26828 and 26840 and find the biggest common factor number .

Step-1: Prime Factorization of 26828

Prime factors of 26828 are 2, 19, 353. Prime factorization of 26828 in exponential form is:

26828 = 2² × 19¹ × 353¹

Step-2: Prime Factorization of 26840

Prime factors of 26840 are 2, 5, 11, 61. Prime factorization of 26840 in exponential form is:

26840 = 2³ × 5¹ × 11¹ × 61¹

Step-3: Factors of 26828

List of positive integer factors of 26828 that divides 26828 without a remainder.

1, 2, 4, 19, 38, 76, 353, 706, 1412, 6707, 13414

Step-4: Factors of 26840

List of positive integer factors of 26840 that divides 26828 without a remainder.

1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 5368, 6710, 13420

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 26828 and 26840. The biggest common factor number is the GCF number.
So the greatest common factor 26828 and 26840 is 4.

Also check out the Least Common Multiple of 26828 and 26840