What is the Greatest Common Factor of 47640 and 47657?

Greatest common factor (GCF) of 47640 and 47657 is 1.

GCF(47640,47657) = 1

We will now calculate the prime factors of 47640 and 47657, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47640 and 47657.

How to find the GCF of 47640 and 47657?

We will first find the prime factorization of 47640 and 47657. After we will calculate the factors of 47640 and 47657 and find the biggest common factor number .

Step-1: Prime Factorization of 47640

Prime factors of 47640 are 2, 3, 5, 397. Prime factorization of 47640 in exponential form is:

47640 = 2³ × 3¹ × 5¹ × 397¹

Step-2: Prime Factorization of 47657

Prime factors of 47657 are 47657. Prime factorization of 47657 in exponential form is:

47657 = 47657¹

Step-3: Factors of 47640

List of positive integer factors of 47640 that divides 47640 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 794, 1191, 1588, 1985, 2382, 3176, 3970, 4764, 5955, 7940, 9528, 11910, 15880, 23820

Step-4: Factors of 47657

List of positive integer factors of 47657 that divides 47640 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47640 and 47657. The biggest common factor number is the GCF number.
So the greatest common factor 47640 and 47657 is 1.

Also check out the Least Common Multiple of 47640 and 47657