GCF and LCM Calculator Logo

What is the Greatest Common Factor of 47123 and 47139?

Greatest common factor (GCF) of 47123 and 47139 is 1.

GCF(47123,47139) = 1

We will now calculate the prime factors of 47123 and 47139, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47123 and 47139.

GCF Calculator and
and

How to find the GCF of 47123 and 47139?

We will first find the prime factorization of 47123 and 47139. After we will calculate the factors of 47123 and 47139 and find the biggest common factor number .

Step-1: Prime Factorization of 47123

Prime factors of 47123 are 47123. Prime factorization of 47123 in exponential form is:

47123 = 471231

Step-2: Prime Factorization of 47139

Prime factors of 47139 are 3, 19, 827. Prime factorization of 47139 in exponential form is:

47139 = 31 × 191 × 8271

Step-3: Factors of 47123

List of positive integer factors of 47123 that divides 47123 without a remainder.

1

Step-4: Factors of 47139

List of positive integer factors of 47139 that divides 47123 without a remainder.

1, 3, 19, 57, 827, 2481, 15713

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47123 and 47139. The biggest common factor number is the GCF number.
So the greatest common factor 47123 and 47139 is 1.

Also check out the Least Common Multiple of 47123 and 47139