What is the Greatest Common Factor of 91090 and 91109?

Greatest common factor (GCF) of 91090 and 91109 is 1.

GCF(91090,91109) = 1

We will now calculate the prime factors of 91090 and 91109, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91090 and 91109.

How to find the GCF of 91090 and 91109?

We will first find the prime factorization of 91090 and 91109. After we will calculate the factors of 91090 and 91109 and find the biggest common factor number .

Step-1: Prime Factorization of 91090

Prime factors of 91090 are 2, 5, 9109. Prime factorization of 91090 in exponential form is:

91090 = 2¹ × 5¹ × 9109¹

Step-2: Prime Factorization of 91109

Prime factors of 91109 are 31, 2939. Prime factorization of 91109 in exponential form is:

91109 = 31¹ × 2939¹

Step-3: Factors of 91090

List of positive integer factors of 91090 that divides 91090 without a remainder.

1, 2, 5, 10, 9109, 18218, 45545

Step-4: Factors of 91109

List of positive integer factors of 91109 that divides 91090 without a remainder.

1, 31, 2939

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91090 and 91109. The biggest common factor number is the GCF number.
So the greatest common factor 91090 and 91109 is 1.

Also check out the Least Common Multiple of 91090 and 91109