What is the Greatest Common Factor of 47890 and 47898?

Greatest common factor (GCF) of 47890 and 47898 is 2.

GCF(47890,47898) = 2

We will now calculate the prime factors of 47890 and 47898, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47890 and 47898.

How to find the GCF of 47890 and 47898?

We will first find the prime factorization of 47890 and 47898. After we will calculate the factors of 47890 and 47898 and find the biggest common factor number .

Step-1: Prime Factorization of 47890

Prime factors of 47890 are 2, 5, 4789. Prime factorization of 47890 in exponential form is:

47890 = 2¹ × 5¹ × 4789¹

Step-2: Prime Factorization of 47898

Prime factors of 47898 are 2, 3, 887. Prime factorization of 47898 in exponential form is:

47898 = 2¹ × 3³ × 887¹

Step-3: Factors of 47890

List of positive integer factors of 47890 that divides 47890 without a remainder.

1, 2, 5, 10, 4789, 9578, 23945

Step-4: Factors of 47898

List of positive integer factors of 47898 that divides 47890 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 887, 1774, 2661, 5322, 7983, 15966, 23949

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47890 and 47898. The biggest common factor number is the GCF number.
So the greatest common factor 47890 and 47898 is 2.

Also check out the Least Common Multiple of 47890 and 47898