What is the Greatest Common Factor of 75870 and 75878?

Greatest common factor (GCF) of 75870 and 75878 is 2.

GCF(75870,75878) = 2

We will now calculate the prime factors of 75870 and 75878, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 75870 and 75878.

How to find the GCF of 75870 and 75878?

We will first find the prime factorization of 75870 and 75878. After we will calculate the factors of 75870 and 75878 and find the biggest common factor number .

Step-1: Prime Factorization of 75870

Prime factors of 75870 are 2, 3, 5, 281. Prime factorization of 75870 in exponential form is:

75870 = 2¹ × 3³ × 5¹ × 281¹

Step-2: Prime Factorization of 75878

Prime factors of 75878 are 2, 11, 3449. Prime factorization of 75878 in exponential form is:

75878 = 2¹ × 11¹ × 3449¹

Step-3: Factors of 75870

List of positive integer factors of 75870 that divides 75870 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 281, 562, 843, 1405, 1686, 2529, 2810, 4215, 5058, 7587, 8430, 12645, 15174, 25290, 37935

Step-4: Factors of 75878

List of positive integer factors of 75878 that divides 75870 without a remainder.

1, 2, 11, 22, 3449, 6898, 37939

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 75870 and 75878. The biggest common factor number is the GCF number.
So the greatest common factor 75870 and 75878 is 2.

Also check out the Least Common Multiple of 75870 and 75878