What is the Greatest Common Factor of 81609 and 81613?

Greatest common factor (GCF) of 81609 and 81613 is 1.

GCF(81609,81613) = 1

We will now calculate the prime factors of 81609 and 81613, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81609 and 81613.

How to find the GCF of 81609 and 81613?

We will first find the prime factorization of 81609 and 81613. After we will calculate the factors of 81609 and 81613 and find the biggest common factor number .

Step-1: Prime Factorization of 81609

Prime factors of 81609 are 3, 11, 2473. Prime factorization of 81609 in exponential form is:

81609 = 3¹ × 11¹ × 2473¹

Step-2: Prime Factorization of 81613

Prime factors of 81613 are 7, 89, 131. Prime factorization of 81613 in exponential form is:

81613 = 7¹ × 89¹ × 131¹

Step-3: Factors of 81609

List of positive integer factors of 81609 that divides 81609 without a remainder.

1, 3, 11, 33, 2473, 7419, 27203

Step-4: Factors of 81613

List of positive integer factors of 81613 that divides 81609 without a remainder.

1, 7, 89, 131, 623, 917, 11659

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81609 and 81613. The biggest common factor number is the GCF number.
So the greatest common factor 81609 and 81613 is 1.

Also check out the Least Common Multiple of 81609 and 81613