What is the Greatest Common Factor of 89865 and 89870?

Greatest common factor (GCF) of 89865 and 89870 is 5.

GCF(89865,89870) = 5

We will now calculate the prime factors of 89865 and 89870, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 89865 and 89870.

How to find the GCF of 89865 and 89870?

We will first find the prime factorization of 89865 and 89870. After we will calculate the factors of 89865 and 89870 and find the biggest common factor number .

Step-1: Prime Factorization of 89865

Prime factors of 89865 are 3, 5, 1997. Prime factorization of 89865 in exponential form is:

89865 = 3² × 5¹ × 1997¹

Step-2: Prime Factorization of 89870

Prime factors of 89870 are 2, 5, 11, 19, 43. Prime factorization of 89870 in exponential form is:

89870 = 2¹ × 5¹ × 11¹ × 19¹ × 43¹

Step-3: Factors of 89865

List of positive integer factors of 89865 that divides 89865 without a remainder.

1, 3, 5, 9, 15, 45, 1997, 5991, 9985, 17973, 29955

Step-4: Factors of 89870

List of positive integer factors of 89870 that divides 89865 without a remainder.

1, 2, 5, 10, 11, 19, 22, 38, 43, 55, 86, 95, 110, 190, 209, 215, 418, 430, 473, 817, 946, 1045, 1634, 2090, 2365, 4085, 4730, 8170, 8987, 17974, 44935

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 89865 and 89870. The biggest common factor number is the GCF number.
So the greatest common factor 89865 and 89870 is 5.

Also check out the Least Common Multiple of 89865 and 89870