What is the Greatest Common Factor of 90870 and 90878?

Greatest common factor (GCF) of 90870 and 90878 is 2.

GCF(90870,90878) = 2

We will now calculate the prime factors of 90870 and 90878, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90870 and 90878.

How to find the GCF of 90870 and 90878?

We will first find the prime factorization of 90870 and 90878. After we will calculate the factors of 90870 and 90878 and find the biggest common factor number .

Step-1: Prime Factorization of 90870

Prime factors of 90870 are 2, 3, 5, 13, 233. Prime factorization of 90870 in exponential form is:

90870 = 2¹ × 3¹ × 5¹ × 13¹ × 233¹

Step-2: Prime Factorization of 90878

Prime factors of 90878 are 2, 45439. Prime factorization of 90878 in exponential form is:

90878 = 2¹ × 45439¹

Step-3: Factors of 90870

List of positive integer factors of 90870 that divides 90870 without a remainder.

1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 233, 390, 466, 699, 1165, 1398, 2330, 3029, 3495, 6058, 6990, 9087, 15145, 18174, 30290, 45435

Step-4: Factors of 90878

List of positive integer factors of 90878 that divides 90870 without a remainder.

1, 2, 45439

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90870 and 90878. The biggest common factor number is the GCF number.
So the greatest common factor 90870 and 90878 is 2.

Also check out the Least Common Multiple of 90870 and 90878