What is the Greatest Common Factor of 81508 and 81523?

Greatest common factor (GCF) of 81508 and 81523 is 1.

GCF(81508,81523) = 1

We will now calculate the prime factors of 81508 and 81523, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81508 and 81523.

How to find the GCF of 81508 and 81523?

We will first find the prime factorization of 81508 and 81523. After we will calculate the factors of 81508 and 81523 and find the biggest common factor number .

Step-1: Prime Factorization of 81508

Prime factors of 81508 are 2, 7, 41, 71. Prime factorization of 81508 in exponential form is:

81508 = 2² × 7¹ × 41¹ × 71¹

Step-2: Prime Factorization of 81523

Prime factors of 81523 are 13, 6271. Prime factorization of 81523 in exponential form is:

81523 = 13¹ × 6271¹

Step-3: Factors of 81508

List of positive integer factors of 81508 that divides 81508 without a remainder.

1, 2, 4, 7, 14, 28, 41, 71, 82, 142, 164, 284, 287, 497, 574, 994, 1148, 1988, 2911, 5822, 11644, 20377, 40754

Step-4: Factors of 81523

List of positive integer factors of 81523 that divides 81508 without a remainder.

1, 13, 6271

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81508 and 81523. The biggest common factor number is the GCF number.
So the greatest common factor 81508 and 81523 is 1.

Also check out the Least Common Multiple of 81508 and 81523