What is the Greatest Common Factor of 40686 and 40698?

Greatest common factor (GCF) of 40686 and 40698 is 6.

GCF(40686,40698) = 6

We will now calculate the prime factors of 40686 and 40698, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40686 and 40698.

How to find the GCF of 40686 and 40698?

We will first find the prime factorization of 40686 and 40698. After we will calculate the factors of 40686 and 40698 and find the biggest common factor number .

Step-1: Prime Factorization of 40686

Prime factors of 40686 are 2, 3, 6781. Prime factorization of 40686 in exponential form is:

40686 = 2¹ × 3¹ × 6781¹

Step-2: Prime Factorization of 40698

Prime factors of 40698 are 2, 3, 7, 17, 19. Prime factorization of 40698 in exponential form is:

40698 = 2¹ × 3² × 7¹ × 17¹ × 19¹

Step-3: Factors of 40686

List of positive integer factors of 40686 that divides 40686 without a remainder.

1, 2, 3, 6, 6781, 13562, 20343

Step-4: Factors of 40698

List of positive integer factors of 40698 that divides 40686 without a remainder.

1, 2, 3, 6, 7, 9, 14, 17, 18, 19, 21, 34, 38, 42, 51, 57, 63, 102, 114, 119, 126, 133, 153, 171, 238, 266, 306, 323, 342, 357, 399, 646, 714, 798, 969, 1071, 1197, 1938, 2142, 2261, 2394, 2907, 4522, 5814, 6783, 13566, 20349

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40686 and 40698. The biggest common factor number is the GCF number.
So the greatest common factor 40686 and 40698 is 6.

Also check out the Least Common Multiple of 40686 and 40698