What is the Greatest Common Factor of 47391 and 47406?

Greatest common factor (GCF) of 47391 and 47406 is 3.

GCF(47391,47406) = 3

We will now calculate the prime factors of 47391 and 47406, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47391 and 47406.

How to find the GCF of 47391 and 47406?

We will first find the prime factorization of 47391 and 47406. After we will calculate the factors of 47391 and 47406 and find the biggest common factor number .

Step-1: Prime Factorization of 47391

Prime factors of 47391 are 3, 15797. Prime factorization of 47391 in exponential form is:

47391 = 3¹ × 15797¹

Step-2: Prime Factorization of 47406

Prime factors of 47406 are 2, 3, 7901. Prime factorization of 47406 in exponential form is:

47406 = 2¹ × 3¹ × 7901¹

Step-3: Factors of 47391

List of positive integer factors of 47391 that divides 47391 without a remainder.

1, 3, 15797

Step-4: Factors of 47406

List of positive integer factors of 47406 that divides 47391 without a remainder.

1, 2, 3, 6, 7901, 15802, 23703

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47391 and 47406. The biggest common factor number is the GCF number.
So the greatest common factor 47391 and 47406 is 3.

Also check out the Least Common Multiple of 47391 and 47406