What is the Greatest Common Factor of 81630 and 81649?

Greatest common factor (GCF) of 81630 and 81649 is 1.

GCF(81630,81649) = 1

We will now calculate the prime factors of 81630 and 81649, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81630 and 81649.

How to find the GCF of 81630 and 81649?

We will first find the prime factorization of 81630 and 81649. After we will calculate the factors of 81630 and 81649 and find the biggest common factor number .

Step-1: Prime Factorization of 81630

Prime factors of 81630 are 2, 3, 5, 907. Prime factorization of 81630 in exponential form is:

81630 = 2¹ × 3² × 5¹ × 907¹

Step-2: Prime Factorization of 81649

Prime factors of 81649 are 81649. Prime factorization of 81649 in exponential form is:

81649 = 81649¹

Step-3: Factors of 81630

List of positive integer factors of 81630 that divides 81630 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 907, 1814, 2721, 4535, 5442, 8163, 9070, 13605, 16326, 27210, 40815

Step-4: Factors of 81649

List of positive integer factors of 81649 that divides 81630 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81630 and 81649. The biggest common factor number is the GCF number.
So the greatest common factor 81630 and 81649 is 1.

Also check out the Least Common Multiple of 81630 and 81649