GCF and LCM Calculator Logo

What is the Greatest Common Factor of 51003 and 51021?

Greatest common factor (GCF) of 51003 and 51021 is 9.

GCF(51003,51021) = 9

We will now calculate the prime factors of 51003 and 51021, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 51003 and 51021.

GCF Calculator and
and

How to find the GCF of 51003 and 51021?

We will first find the prime factorization of 51003 and 51021. After we will calculate the factors of 51003 and 51021 and find the biggest common factor number .

Step-1: Prime Factorization of 51003

Prime factors of 51003 are 3, 1889. Prime factorization of 51003 in exponential form is:

51003 = 33 × 18891

Step-2: Prime Factorization of 51021

Prime factors of 51021 are 3, 5669. Prime factorization of 51021 in exponential form is:

51021 = 32 × 56691

Step-3: Factors of 51003

List of positive integer factors of 51003 that divides 51003 without a remainder.

1, 3, 9, 27, 1889, 5667, 17001

Step-4: Factors of 51021

List of positive integer factors of 51021 that divides 51003 without a remainder.

1, 3, 9, 5669, 17007

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 51003 and 51021. The biggest common factor number is the GCF number.
So the greatest common factor 51003 and 51021 is 9.

Also check out the Least Common Multiple of 51003 and 51021