What is the Greatest Common Factor of 39639 and 39643?

Greatest common factor (GCF) of 39639 and 39643 is 1.

GCF(39639,39643) = 1

We will now calculate the prime factors of 39639 and 39643, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39639 and 39643.

How to find the GCF of 39639 and 39643?

We will first find the prime factorization of 39639 and 39643. After we will calculate the factors of 39639 and 39643 and find the biggest common factor number .

Step-1: Prime Factorization of 39639

Prime factors of 39639 are 3, 73, 181. Prime factorization of 39639 in exponential form is:

39639 = 3¹ × 73¹ × 181¹

Step-2: Prime Factorization of 39643

Prime factors of 39643 are 29, 1367. Prime factorization of 39643 in exponential form is:

39643 = 29¹ × 1367¹

Step-3: Factors of 39639

List of positive integer factors of 39639 that divides 39639 without a remainder.

1, 3, 73, 181, 219, 543, 13213

Step-4: Factors of 39643

List of positive integer factors of 39643 that divides 39639 without a remainder.

1, 29, 1367

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39639 and 39643. The biggest common factor number is the GCF number.
So the greatest common factor 39639 and 39643 is 1.

Also check out the Least Common Multiple of 39639 and 39643