What is the Greatest Common Factor of 29685 and 29691?

Greatest common factor (GCF) of 29685 and 29691 is 3.

GCF(29685,29691) = 3

We will now calculate the prime factors of 29685 and 29691, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 29685 and 29691.

How to find the GCF of 29685 and 29691?

We will first find the prime factorization of 29685 and 29691. After we will calculate the factors of 29685 and 29691 and find the biggest common factor number .

Step-1: Prime Factorization of 29685

Prime factors of 29685 are 3, 5, 1979. Prime factorization of 29685 in exponential form is:

29685 = 3¹ × 5¹ × 1979¹

Step-2: Prime Factorization of 29691

Prime factors of 29691 are 3, 3299. Prime factorization of 29691 in exponential form is:

29691 = 3² × 3299¹

Step-3: Factors of 29685

List of positive integer factors of 29685 that divides 29685 without a remainder.

1, 3, 5, 15, 1979, 5937, 9895

Step-4: Factors of 29691

List of positive integer factors of 29691 that divides 29685 without a remainder.

1, 3, 9, 3299, 9897

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 29685 and 29691. The biggest common factor number is the GCF number.
So the greatest common factor 29685 and 29691 is 3.

Also check out the Least Common Multiple of 29685 and 29691