What is the Greatest Common Factor of 90729 and 90738?

Greatest common factor (GCF) of 90729 and 90738 is 9.

GCF(90729,90738) = 9

We will now calculate the prime factors of 90729 and 90738, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90729 and 90738.

How to find the GCF of 90729 and 90738?

We will first find the prime factorization of 90729 and 90738. After we will calculate the factors of 90729 and 90738 and find the biggest common factor number .

Step-1: Prime Factorization of 90729

Prime factors of 90729 are 3, 17, 593. Prime factorization of 90729 in exponential form is:

90729 = 3² × 17¹ × 593¹

Step-2: Prime Factorization of 90738

Prime factors of 90738 are 2, 3, 71. Prime factorization of 90738 in exponential form is:

90738 = 2¹ × 3² × 71²

Step-3: Factors of 90729

List of positive integer factors of 90729 that divides 90729 without a remainder.

1, 3, 9, 17, 51, 153, 593, 1779, 5337, 10081, 30243

Step-4: Factors of 90738

List of positive integer factors of 90738 that divides 90729 without a remainder.

1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 5041, 10082, 15123, 30246, 45369

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90729 and 90738. The biggest common factor number is the GCF number.
So the greatest common factor 90729 and 90738 is 9.

Also check out the Least Common Multiple of 90729 and 90738