What is the Greatest Common Factor of 47747 and 47761?

Greatest common factor (GCF) of 47747 and 47761 is 7.

GCF(47747,47761) = 7

We will now calculate the prime factors of 47747 and 47761, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47747 and 47761.

How to find the GCF of 47747 and 47761?

We will first find the prime factorization of 47747 and 47761. After we will calculate the factors of 47747 and 47761 and find the biggest common factor number .

Step-1: Prime Factorization of 47747

Prime factors of 47747 are 7, 19, 359. Prime factorization of 47747 in exponential form is:

47747 = 7¹ × 19¹ × 359¹

Step-2: Prime Factorization of 47761

Prime factors of 47761 are 7, 6823. Prime factorization of 47761 in exponential form is:

47761 = 7¹ × 6823¹

Step-3: Factors of 47747

List of positive integer factors of 47747 that divides 47747 without a remainder.

1, 7, 19, 133, 359, 2513, 6821

Step-4: Factors of 47761

List of positive integer factors of 47761 that divides 47747 without a remainder.

1, 7, 6823

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47747 and 47761. The biggest common factor number is the GCF number.
So the greatest common factor 47747 and 47761 is 7.

Also check out the Least Common Multiple of 47747 and 47761