What is the Greatest Common Factor of 10640 and 10649?

Greatest common factor (GCF) of 10640 and 10649 is 1.

GCF(10640,10649) = 1

We will now calculate the prime factors of 10640 and 10649, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10640 and 10649.

How to find the GCF of 10640 and 10649?

We will first find the prime factorization of 10640 and 10649. After we will calculate the factors of 10640 and 10649 and find the biggest common factor number .

Step-1: Prime Factorization of 10640

Prime factors of 10640 are 2, 5, 7, 19. Prime factorization of 10640 in exponential form is:

10640 = 2⁴ × 5¹ × 7¹ × 19¹

Step-2: Prime Factorization of 10649

Prime factors of 10649 are 23, 463. Prime factorization of 10649 in exponential form is:

10649 = 23¹ × 463¹

Step-3: Factors of 10640

List of positive integer factors of 10640 that divides 10640 without a remainder.

1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320

Step-4: Factors of 10649

List of positive integer factors of 10649 that divides 10640 without a remainder.

1, 23, 463

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10640 and 10649. The biggest common factor number is the GCF number.
So the greatest common factor 10640 and 10649 is 1.

Also check out the Least Common Multiple of 10640 and 10649