What is the Greatest Common Factor of 68143 and 68156?

Greatest common factor (GCF) of 68143 and 68156 is 1.

GCF(68143,68156) = 1

We will now calculate the prime factors of 68143 and 68156, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68143 and 68156.

How to find the GCF of 68143 and 68156?

We will first find the prime factorization of 68143 and 68156. After we will calculate the factors of 68143 and 68156 and find the biggest common factor number .

Step-1: Prime Factorization of 68143

Prime factors of 68143 are 83, 821. Prime factorization of 68143 in exponential form is:

68143 = 83¹ × 821¹

Step-2: Prime Factorization of 68156

Prime factors of 68156 are 2, 11, 1549. Prime factorization of 68156 in exponential form is:

68156 = 2² × 11¹ × 1549¹

Step-3: Factors of 68143

List of positive integer factors of 68143 that divides 68143 without a remainder.

1, 83, 821

Step-4: Factors of 68156

List of positive integer factors of 68156 that divides 68143 without a remainder.

1, 2, 4, 11, 22, 44, 1549, 3098, 6196, 17039, 34078

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68143 and 68156. The biggest common factor number is the GCF number.
So the greatest common factor 68143 and 68156 is 1.

Also check out the Least Common Multiple of 68143 and 68156