What is the Greatest Common Factor of 90873 and 90891?

Greatest common factor (GCF) of 90873 and 90891 is 9.

GCF(90873,90891) = 9

We will now calculate the prime factors of 90873 and 90891, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90873 and 90891.

How to find the GCF of 90873 and 90891?

We will first find the prime factorization of 90873 and 90891. After we will calculate the factors of 90873 and 90891 and find the biggest common factor number .

Step-1: Prime Factorization of 90873

Prime factors of 90873 are 3, 23, 439. Prime factorization of 90873 in exponential form is:

90873 = 3² × 23¹ × 439¹

Step-2: Prime Factorization of 90891

Prime factors of 90891 are 3, 10099. Prime factorization of 90891 in exponential form is:

90891 = 3² × 10099¹

Step-3: Factors of 90873

List of positive integer factors of 90873 that divides 90873 without a remainder.

1, 3, 9, 23, 69, 207, 439, 1317, 3951, 10097, 30291

Step-4: Factors of 90891

List of positive integer factors of 90891 that divides 90873 without a remainder.

1, 3, 9, 10099, 30297

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90873 and 90891. The biggest common factor number is the GCF number.
So the greatest common factor 90873 and 90891 is 9.

Also check out the Least Common Multiple of 90873 and 90891