What is the Greatest Common Factor of 47645 and 47658?

Greatest common factor (GCF) of 47645 and 47658 is 13.

GCF(47645,47658) = 13

We will now calculate the prime factors of 47645 and 47658, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47645 and 47658.

How to find the GCF of 47645 and 47658?

We will first find the prime factorization of 47645 and 47658. After we will calculate the factors of 47645 and 47658 and find the biggest common factor number .

Step-1: Prime Factorization of 47645

Prime factors of 47645 are 5, 13, 733. Prime factorization of 47645 in exponential form is:

47645 = 5¹ × 13¹ × 733¹

Step-2: Prime Factorization of 47658

Prime factors of 47658 are 2, 3, 13, 47. Prime factorization of 47658 in exponential form is:

47658 = 2¹ × 3¹ × 13² × 47¹

Step-3: Factors of 47645

List of positive integer factors of 47645 that divides 47645 without a remainder.

1, 5, 13, 65, 733, 3665, 9529

Step-4: Factors of 47658

List of positive integer factors of 47658 that divides 47645 without a remainder.

1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 169, 282, 338, 507, 611, 1014, 1222, 1833, 3666, 7943, 15886, 23829

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47645 and 47658. The biggest common factor number is the GCF number.
So the greatest common factor 47645 and 47658 is 13.

Also check out the Least Common Multiple of 47645 and 47658