What is the Greatest Common Factor of 10605 and 10621?

Greatest common factor (GCF) of 10605 and 10621 is 1.

GCF(10605,10621) = 1

We will now calculate the prime factors of 10605 and 10621, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10605 and 10621.

How to find the GCF of 10605 and 10621?

We will first find the prime factorization of 10605 and 10621. After we will calculate the factors of 10605 and 10621 and find the biggest common factor number .

Step-1: Prime Factorization of 10605

Prime factors of 10605 are 3, 5, 7, 101. Prime factorization of 10605 in exponential form is:

10605 = 3¹ × 5¹ × 7¹ × 101¹

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 10605

List of positive integer factors of 10605 that divides 10605 without a remainder.

1, 3, 5, 7, 15, 21, 35, 101, 105, 303, 505, 707, 1515, 2121, 3535

Step-4: Factors of 10621

List of positive integer factors of 10621 that divides 10605 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10605 and 10621. The biggest common factor number is the GCF number.
So the greatest common factor 10605 and 10621 is 1.

Also check out the Least Common Multiple of 10605 and 10621