What is the Greatest Common Factor of 68840 and 68859?

Greatest common factor (GCF) of 68840 and 68859 is 1.

GCF(68840,68859) = 1

We will now calculate the prime factors of 68840 and 68859, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68840 and 68859.

How to find the GCF of 68840 and 68859?

We will first find the prime factorization of 68840 and 68859. After we will calculate the factors of 68840 and 68859 and find the biggest common factor number .

Step-1: Prime Factorization of 68840

Prime factors of 68840 are 2, 5, 1721. Prime factorization of 68840 in exponential form is:

68840 = 2³ × 5¹ × 1721¹

Step-2: Prime Factorization of 68859

Prime factors of 68859 are 3, 7, 1093. Prime factorization of 68859 in exponential form is:

68859 = 3² × 7¹ × 1093¹

Step-3: Factors of 68840

List of positive integer factors of 68840 that divides 68840 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 1721, 3442, 6884, 8605, 13768, 17210, 34420

Step-4: Factors of 68859

List of positive integer factors of 68859 that divides 68840 without a remainder.

1, 3, 7, 9, 21, 63, 1093, 3279, 7651, 9837, 22953

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68840 and 68859. The biggest common factor number is the GCF number.
So the greatest common factor 68840 and 68859 is 1.

Also check out the Least Common Multiple of 68840 and 68859