What is the Greatest Common Factor of 68990 and 69005?

Greatest common factor (GCF) of 68990 and 69005 is 5.

GCF(68990,69005) = 5

We will now calculate the prime factors of 68990 and 69005, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68990 and 69005.

How to find the GCF of 68990 and 69005?

We will first find the prime factorization of 68990 and 69005. After we will calculate the factors of 68990 and 69005 and find the biggest common factor number .

Step-1: Prime Factorization of 68990

Prime factors of 68990 are 2, 5, 6899. Prime factorization of 68990 in exponential form is:

68990 = 2¹ × 5¹ × 6899¹

Step-2: Prime Factorization of 69005

Prime factors of 69005 are 5, 37, 373. Prime factorization of 69005 in exponential form is:

69005 = 5¹ × 37¹ × 373¹

Step-3: Factors of 68990

List of positive integer factors of 68990 that divides 68990 without a remainder.

1, 2, 5, 10, 6899, 13798, 34495

Step-4: Factors of 69005

List of positive integer factors of 69005 that divides 68990 without a remainder.

1, 5, 37, 185, 373, 1865, 13801

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68990 and 69005. The biggest common factor number is the GCF number.
So the greatest common factor 68990 and 69005 is 5.

Also check out the Least Common Multiple of 68990 and 69005