What is the Greatest Common Factor of 47720 and 47729?

Greatest common factor (GCF) of 47720 and 47729 is 1.

GCF(47720,47729) = 1

We will now calculate the prime factors of 47720 and 47729, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47720 and 47729.

How to find the GCF of 47720 and 47729?

We will first find the prime factorization of 47720 and 47729. After we will calculate the factors of 47720 and 47729 and find the biggest common factor number .

Step-1: Prime Factorization of 47720

Prime factors of 47720 are 2, 5, 1193. Prime factorization of 47720 in exponential form is:

47720 = 2³ × 5¹ × 1193¹

Step-2: Prime Factorization of 47729

Prime factors of 47729 are 11, 4339. Prime factorization of 47729 in exponential form is:

47729 = 11¹ × 4339¹

Step-3: Factors of 47720

List of positive integer factors of 47720 that divides 47720 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 1193, 2386, 4772, 5965, 9544, 11930, 23860

Step-4: Factors of 47729

List of positive integer factors of 47729 that divides 47720 without a remainder.

1, 11, 4339

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47720 and 47729. The biggest common factor number is the GCF number.
So the greatest common factor 47720 and 47729 is 1.

Also check out the Least Common Multiple of 47720 and 47729