What is the Greatest Common Factor of 79378 and 79390?

Greatest common factor (GCF) of 79378 and 79390 is 2.

GCF(79378,79390) = 2

We will now calculate the prime factors of 79378 and 79390, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79378 and 79390.

How to find the GCF of 79378 and 79390?

We will first find the prime factorization of 79378 and 79390. After we will calculate the factors of 79378 and 79390 and find the biggest common factor number .

Step-1: Prime Factorization of 79378

Prime factors of 79378 are 2, 13, 43, 71. Prime factorization of 79378 in exponential form is:

79378 = 2¹ × 13¹ × 43¹ × 71¹

Step-2: Prime Factorization of 79390

Prime factors of 79390 are 2, 5, 17, 467. Prime factorization of 79390 in exponential form is:

79390 = 2¹ × 5¹ × 17¹ × 467¹

Step-3: Factors of 79378

List of positive integer factors of 79378 that divides 79378 without a remainder.

1, 2, 13, 26, 43, 71, 86, 142, 559, 923, 1118, 1846, 3053, 6106, 39689

Step-4: Factors of 79390

List of positive integer factors of 79390 that divides 79378 without a remainder.

1, 2, 5, 10, 17, 34, 85, 170, 467, 934, 2335, 4670, 7939, 15878, 39695

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79378 and 79390. The biggest common factor number is the GCF number.
So the greatest common factor 79378 and 79390 is 2.

Also check out the Least Common Multiple of 79378 and 79390