What is the Greatest Common Factor of 39705 and 39711?

Greatest common factor (GCF) of 39705 and 39711 is 3.

GCF(39705,39711) = 3

We will now calculate the prime factors of 39705 and 39711, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39705 and 39711.

How to find the GCF of 39705 and 39711?

We will first find the prime factorization of 39705 and 39711. After we will calculate the factors of 39705 and 39711 and find the biggest common factor number .

Step-1: Prime Factorization of 39705

Prime factors of 39705 are 3, 5, 2647. Prime factorization of 39705 in exponential form is:

39705 = 3¹ × 5¹ × 2647¹

Step-2: Prime Factorization of 39711

Prime factors of 39711 are 3, 7, 31, 61. Prime factorization of 39711 in exponential form is:

39711 = 3¹ × 7¹ × 31¹ × 61¹

Step-3: Factors of 39705

List of positive integer factors of 39705 that divides 39705 without a remainder.

1, 3, 5, 15, 2647, 7941, 13235

Step-4: Factors of 39711

List of positive integer factors of 39711 that divides 39705 without a remainder.

1, 3, 7, 21, 31, 61, 93, 183, 217, 427, 651, 1281, 1891, 5673, 13237

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39705 and 39711. The biggest common factor number is the GCF number.
So the greatest common factor 39705 and 39711 is 3.

Also check out the Least Common Multiple of 39705 and 39711