What is the Greatest Common Factor of 10602 and 10621?

Greatest common factor (GCF) of 10602 and 10621 is 19.

GCF(10602,10621) = 19

We will now calculate the prime factors of 10602 and 10621, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10602 and 10621.

How to find the GCF of 10602 and 10621?

We will first find the prime factorization of 10602 and 10621. After we will calculate the factors of 10602 and 10621 and find the biggest common factor number .

Step-1: Prime Factorization of 10602

Prime factors of 10602 are 2, 3, 19, 31. Prime factorization of 10602 in exponential form is:

10602 = 2¹ × 3² × 19¹ × 31¹

Step-2: Prime Factorization of 10621

Prime factors of 10621 are 13, 19, 43. Prime factorization of 10621 in exponential form is:

10621 = 13¹ × 19¹ × 43¹

Step-3: Factors of 10602

List of positive integer factors of 10602 that divides 10602 without a remainder.

1, 2, 3, 6, 9, 18, 19, 31, 38, 57, 62, 93, 114, 171, 186, 279, 342, 558, 589, 1178, 1767, 3534, 5301

Step-4: Factors of 10621

List of positive integer factors of 10621 that divides 10602 without a remainder.

1, 13, 19, 43, 247, 559, 817

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10602 and 10621. The biggest common factor number is the GCF number.
So the greatest common factor 10602 and 10621 is 19.

Also check out the Least Common Multiple of 10602 and 10621