What is the Greatest Common Factor of 81295 and 81310?

Greatest common factor (GCF) of 81295 and 81310 is 5.

GCF(81295,81310) = 5

We will now calculate the prime factors of 81295 and 81310, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81295 and 81310.

How to find the GCF of 81295 and 81310?

We will first find the prime factorization of 81295 and 81310. After we will calculate the factors of 81295 and 81310 and find the biggest common factor number .

Step-1: Prime Factorization of 81295

Prime factors of 81295 are 5, 71, 229. Prime factorization of 81295 in exponential form is:

81295 = 5¹ × 71¹ × 229¹

Step-2: Prime Factorization of 81310

Prime factors of 81310 are 2, 5, 47, 173. Prime factorization of 81310 in exponential form is:

81310 = 2¹ × 5¹ × 47¹ × 173¹

Step-3: Factors of 81295

List of positive integer factors of 81295 that divides 81295 without a remainder.

1, 5, 71, 229, 355, 1145, 16259

Step-4: Factors of 81310

List of positive integer factors of 81310 that divides 81295 without a remainder.

1, 2, 5, 10, 47, 94, 173, 235, 346, 470, 865, 1730, 8131, 16262, 40655

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81295 and 81310. The biggest common factor number is the GCF number.
So the greatest common factor 81295 and 81310 is 5.

Also check out the Least Common Multiple of 81295 and 81310