What is the Greatest Common Factor of 78870 and 78874?

Greatest common factor (GCF) of 78870 and 78874 is 2.

GCF(78870,78874) = 2

We will now calculate the prime factors of 78870 and 78874, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78870 and 78874.

How to find the GCF of 78870 and 78874?

We will first find the prime factorization of 78870 and 78874. After we will calculate the factors of 78870 and 78874 and find the biggest common factor number .

Step-1: Prime Factorization of 78870

Prime factors of 78870 are 2, 3, 5, 11, 239. Prime factorization of 78870 in exponential form is:

78870 = 2¹ × 3¹ × 5¹ × 11¹ × 239¹

Step-2: Prime Factorization of 78874

Prime factors of 78874 are 2, 113, 349. Prime factorization of 78874 in exponential form is:

78874 = 2¹ × 113¹ × 349¹

Step-3: Factors of 78870

List of positive integer factors of 78870 that divides 78870 without a remainder.

1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 239, 330, 478, 717, 1195, 1434, 2390, 2629, 3585, 5258, 7170, 7887, 13145, 15774, 26290, 39435

Step-4: Factors of 78874

List of positive integer factors of 78874 that divides 78870 without a remainder.

1, 2, 113, 226, 349, 698, 39437

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78870 and 78874. The biggest common factor number is the GCF number.
So the greatest common factor 78870 and 78874 is 2.

Also check out the Least Common Multiple of 78870 and 78874