What is the Greatest Common Factor of 10421 and 10428?

Greatest common factor (GCF) of 10421 and 10428 is 1.

GCF(10421,10428) = 1

We will now calculate the prime factors of 10421 and 10428, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10421 and 10428.

How to find the GCF of 10421 and 10428?

We will first find the prime factorization of 10421 and 10428. After we will calculate the factors of 10421 and 10428 and find the biggest common factor number .

Step-1: Prime Factorization of 10421

Prime factors of 10421 are 17, 613. Prime factorization of 10421 in exponential form is:

10421 = 17¹ × 613¹

Step-2: Prime Factorization of 10428

Prime factors of 10428 are 2, 3, 11, 79. Prime factorization of 10428 in exponential form is:

10428 = 2² × 3¹ × 11¹ × 79¹

Step-3: Factors of 10421

List of positive integer factors of 10421 that divides 10421 without a remainder.

1, 17, 613

Step-4: Factors of 10428

List of positive integer factors of 10428 that divides 10421 without a remainder.

1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 79, 132, 158, 237, 316, 474, 869, 948, 1738, 2607, 3476, 5214

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10421 and 10428. The biggest common factor number is the GCF number.
So the greatest common factor 10421 and 10428 is 1.

Also check out the Least Common Multiple of 10421 and 10428