What is the Greatest Common Factor of 68390 and 68407?

Greatest common factor (GCF) of 68390 and 68407 is 1.

GCF(68390,68407) = 1

We will now calculate the prime factors of 68390 and 68407, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68390 and 68407.

How to find the GCF of 68390 and 68407?

We will first find the prime factorization of 68390 and 68407. After we will calculate the factors of 68390 and 68407 and find the biggest common factor number .

Step-1: Prime Factorization of 68390

Prime factors of 68390 are 2, 5, 7, 977. Prime factorization of 68390 in exponential form is:

68390 = 2¹ × 5¹ × 7¹ × 977¹

Step-2: Prime Factorization of 68407

Prime factors of 68407 are 67, 1021. Prime factorization of 68407 in exponential form is:

68407 = 67¹ × 1021¹

Step-3: Factors of 68390

List of positive integer factors of 68390 that divides 68390 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 977, 1954, 4885, 6839, 9770, 13678, 34195

Step-4: Factors of 68407

List of positive integer factors of 68407 that divides 68390 without a remainder.

1, 67, 1021

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68390 and 68407. The biggest common factor number is the GCF number.
So the greatest common factor 68390 and 68407 is 1.

Also check out the Least Common Multiple of 68390 and 68407