What is the Greatest Common Factor of 6623 and 6643?

Greatest common factor (GCF) of 6623 and 6643 is 1.

GCF(6623,6643) = 1

We will now calculate the prime factors of 6623 and 6643, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 6623 and 6643.

How to find the GCF of 6623 and 6643?

We will first find the prime factorization of 6623 and 6643. After we will calculate the factors of 6623 and 6643 and find the biggest common factor number .

Step-1: Prime Factorization of 6623

Prime factors of 6623 are 37, 179. Prime factorization of 6623 in exponential form is:

6623 = 37¹ × 179¹

Step-2: Prime Factorization of 6643

Prime factors of 6643 are 7, 13, 73. Prime factorization of 6643 in exponential form is:

6643 = 7¹ × 13¹ × 73¹

Step-3: Factors of 6623

List of positive integer factors of 6623 that divides 6623 without a remainder.

1, 37, 179

Step-4: Factors of 6643

List of positive integer factors of 6643 that divides 6623 without a remainder.

1, 7, 13, 73, 91, 511, 949

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 6623 and 6643. The biggest common factor number is the GCF number.
So the greatest common factor 6623 and 6643 is 1.

Also check out the Least Common Multiple of 6623 and 6643