What is the Greatest Common Factor of 68470 and 68478?

Greatest common factor (GCF) of 68470 and 68478 is 2.

GCF(68470,68478) = 2

We will now calculate the prime factors of 68470 and 68478, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68470 and 68478.

How to find the GCF of 68470 and 68478?

We will first find the prime factorization of 68470 and 68478. After we will calculate the factors of 68470 and 68478 and find the biggest common factor number .

Step-1: Prime Factorization of 68470

Prime factors of 68470 are 2, 5, 41, 167. Prime factorization of 68470 in exponential form is:

68470 = 2¹ × 5¹ × 41¹ × 167¹

Step-2: Prime Factorization of 68478

Prime factors of 68478 are 2, 3, 101, 113. Prime factorization of 68478 in exponential form is:

68478 = 2¹ × 3¹ × 101¹ × 113¹

Step-3: Factors of 68470

List of positive integer factors of 68470 that divides 68470 without a remainder.

1, 2, 5, 10, 41, 82, 167, 205, 334, 410, 835, 1670, 6847, 13694, 34235

Step-4: Factors of 68478

List of positive integer factors of 68478 that divides 68470 without a remainder.

1, 2, 3, 6, 101, 113, 202, 226, 303, 339, 606, 678, 11413, 22826, 34239

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68470 and 68478. The biggest common factor number is the GCF number.
So the greatest common factor 68470 and 68478 is 2.

Also check out the Least Common Multiple of 68470 and 68478