What is the Greatest Common Factor of 68390 and 68398?

Greatest common factor (GCF) of 68390 and 68398 is 2.

GCF(68390,68398) = 2

We will now calculate the prime factors of 68390 and 68398, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68390 and 68398.

How to find the GCF of 68390 and 68398?

We will first find the prime factorization of 68390 and 68398. After we will calculate the factors of 68390 and 68398 and find the biggest common factor number .

Step-1: Prime Factorization of 68390

Prime factors of 68390 are 2, 5, 7, 977. Prime factorization of 68390 in exponential form is:

68390 = 2¹ × 5¹ × 7¹ × 977¹

Step-2: Prime Factorization of 68398

Prime factors of 68398 are 2, 11, 3109. Prime factorization of 68398 in exponential form is:

68398 = 2¹ × 11¹ × 3109¹

Step-3: Factors of 68390

List of positive integer factors of 68390 that divides 68390 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 977, 1954, 4885, 6839, 9770, 13678, 34195

Step-4: Factors of 68398

List of positive integer factors of 68398 that divides 68390 without a remainder.

1, 2, 11, 22, 3109, 6218, 34199

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68390 and 68398. The biggest common factor number is the GCF number.
So the greatest common factor 68390 and 68398 is 2.

Also check out the Least Common Multiple of 68390 and 68398