What is the Greatest Common Factor of 68910 and 68921?

Greatest common factor (GCF) of 68910 and 68921 is 1.

GCF(68910,68921) = 1

We will now calculate the prime factors of 68910 and 68921, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68910 and 68921.

How to find the GCF of 68910 and 68921?

We will first find the prime factorization of 68910 and 68921. After we will calculate the factors of 68910 and 68921 and find the biggest common factor number .

Step-1: Prime Factorization of 68910

Prime factors of 68910 are 2, 3, 5, 2297. Prime factorization of 68910 in exponential form is:

68910 = 2¹ × 3¹ × 5¹ × 2297¹

Step-2: Prime Factorization of 68921

Prime factors of 68921 are 41. Prime factorization of 68921 in exponential form is:

68921 = 41³

Step-3: Factors of 68910

List of positive integer factors of 68910 that divides 68910 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 2297, 4594, 6891, 11485, 13782, 22970, 34455

Step-4: Factors of 68921

List of positive integer factors of 68921 that divides 68910 without a remainder.

1, 41, 1681

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68910 and 68921. The biggest common factor number is the GCF number.
So the greatest common factor 68910 and 68921 is 1.

Also check out the Least Common Multiple of 68910 and 68921