What is the Greatest Common Factor of 90770 and 90781?

Greatest common factor (GCF) of 90770 and 90781 is 1.

GCF(90770,90781) = 1

We will now calculate the prime factors of 90770 and 90781, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90770 and 90781.

How to find the GCF of 90770 and 90781?

We will first find the prime factorization of 90770 and 90781. After we will calculate the factors of 90770 and 90781 and find the biggest common factor number .

Step-1: Prime Factorization of 90770

Prime factors of 90770 are 2, 5, 29, 313. Prime factorization of 90770 in exponential form is:

90770 = 2¹ × 5¹ × 29¹ × 313¹

Step-2: Prime Factorization of 90781

Prime factors of 90781 are 23, 3947. Prime factorization of 90781 in exponential form is:

90781 = 23¹ × 3947¹

Step-3: Factors of 90770

List of positive integer factors of 90770 that divides 90770 without a remainder.

1, 2, 5, 10, 29, 58, 145, 290, 313, 626, 1565, 3130, 9077, 18154, 45385

Step-4: Factors of 90781

List of positive integer factors of 90781 that divides 90770 without a remainder.

1, 23, 3947

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90770 and 90781. The biggest common factor number is the GCF number.
So the greatest common factor 90770 and 90781 is 1.

Also check out the Least Common Multiple of 90770 and 90781