What is the Greatest Common Factor of 81529 and 81545?

Greatest common factor (GCF) of 81529 and 81545 is 1.

GCF(81529,81545) = 1

We will now calculate the prime factors of 81529 and 81545, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81529 and 81545.

How to find the GCF of 81529 and 81545?

We will first find the prime factorization of 81529 and 81545. After we will calculate the factors of 81529 and 81545 and find the biggest common factor number .

Step-1: Prime Factorization of 81529

Prime factors of 81529 are 7, 19, 613. Prime factorization of 81529 in exponential form is:

81529 = 7¹ × 19¹ × 613¹

Step-2: Prime Factorization of 81545

Prime factors of 81545 are 5, 47, 347. Prime factorization of 81545 in exponential form is:

81545 = 5¹ × 47¹ × 347¹

Step-3: Factors of 81529

List of positive integer factors of 81529 that divides 81529 without a remainder.

1, 7, 19, 133, 613, 4291, 11647

Step-4: Factors of 81545

List of positive integer factors of 81545 that divides 81529 without a remainder.

1, 5, 47, 235, 347, 1735, 16309

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81529 and 81545. The biggest common factor number is the GCF number.
So the greatest common factor 81529 and 81545 is 1.

Also check out the Least Common Multiple of 81529 and 81545