What is the Greatest Common Factor of 81487 and 81500?

Greatest common factor (GCF) of 81487 and 81500 is 1.

GCF(81487,81500) = 1

We will now calculate the prime factors of 81487 and 81500, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81487 and 81500.

How to find the GCF of 81487 and 81500?

We will first find the prime factorization of 81487 and 81500. After we will calculate the factors of 81487 and 81500 and find the biggest common factor number .

Step-1: Prime Factorization of 81487

Prime factors of 81487 are 7, 1663. Prime factorization of 81487 in exponential form is:

81487 = 7² × 1663¹

Step-2: Prime Factorization of 81500

Prime factors of 81500 are 2, 5, 163. Prime factorization of 81500 in exponential form is:

81500 = 2² × 5³ × 163¹

Step-3: Factors of 81487

List of positive integer factors of 81487 that divides 81487 without a remainder.

1, 7, 49, 1663, 11641

Step-4: Factors of 81500

List of positive integer factors of 81500 that divides 81487 without a remainder.

1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 163, 250, 326, 500, 652, 815, 1630, 3260, 4075, 8150, 16300, 20375, 40750

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81487 and 81500. The biggest common factor number is the GCF number.
So the greatest common factor 81487 and 81500 is 1.

Also check out the Least Common Multiple of 81487 and 81500