What is the Greatest Common Factor of 47128 and 47146?

Greatest common factor (GCF) of 47128 and 47146 is 2.

GCF(47128,47146) = 2

We will now calculate the prime factors of 47128 and 47146, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47128 and 47146.

How to find the GCF of 47128 and 47146?

We will first find the prime factorization of 47128 and 47146. After we will calculate the factors of 47128 and 47146 and find the biggest common factor number .

Step-1: Prime Factorization of 47128

Prime factors of 47128 are 2, 43, 137. Prime factorization of 47128 in exponential form is:

47128 = 2³ × 43¹ × 137¹

Step-2: Prime Factorization of 47146

Prime factors of 47146 are 2, 11, 2143. Prime factorization of 47146 in exponential form is:

47146 = 2¹ × 11¹ × 2143¹

Step-3: Factors of 47128

List of positive integer factors of 47128 that divides 47128 without a remainder.

1, 2, 4, 8, 43, 86, 137, 172, 274, 344, 548, 1096, 5891, 11782, 23564

Step-4: Factors of 47146

List of positive integer factors of 47146 that divides 47128 without a remainder.

1, 2, 11, 22, 2143, 4286, 23573

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47128 and 47146. The biggest common factor number is the GCF number.
So the greatest common factor 47128 and 47146 is 2.

Also check out the Least Common Multiple of 47128 and 47146