What is the Greatest Common Factor of 68406 and 68421?

Greatest common factor (GCF) of 68406 and 68421 is 3.

GCF(68406,68421) = 3

We will now calculate the prime factors of 68406 and 68421, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68406 and 68421.

How to find the GCF of 68406 and 68421?

We will first find the prime factorization of 68406 and 68421. After we will calculate the factors of 68406 and 68421 and find the biggest common factor number .

Step-1: Prime Factorization of 68406

Prime factors of 68406 are 2, 3, 13, 877. Prime factorization of 68406 in exponential form is:

68406 = 2¹ × 3¹ × 13¹ × 877¹

Step-2: Prime Factorization of 68421

Prime factors of 68421 are 3, 22807. Prime factorization of 68421 in exponential form is:

68421 = 3¹ × 22807¹

Step-3: Factors of 68406

List of positive integer factors of 68406 that divides 68406 without a remainder.

1, 2, 3, 6, 13, 26, 39, 78, 877, 1754, 2631, 5262, 11401, 22802, 34203

Step-4: Factors of 68421

List of positive integer factors of 68421 that divides 68406 without a remainder.

1, 3, 22807

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68406 and 68421. The biggest common factor number is the GCF number.
So the greatest common factor 68406 and 68421 is 3.

Also check out the Least Common Multiple of 68406 and 68421