What is the Greatest Common Factor of 40178 and 40194?

Greatest common factor (GCF) of 40178 and 40194 is 2.

GCF(40178,40194) = 2

We will now calculate the prime factors of 40178 and 40194, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40178 and 40194.

How to find the GCF of 40178 and 40194?

We will first find the prime factorization of 40178 and 40194. After we will calculate the factors of 40178 and 40194 and find the biggest common factor number .

Step-1: Prime Factorization of 40178

Prime factors of 40178 are 2, 20089. Prime factorization of 40178 in exponential form is:

40178 = 2¹ × 20089¹

Step-2: Prime Factorization of 40194

Prime factors of 40194 are 2, 3, 7, 11, 29. Prime factorization of 40194 in exponential form is:

40194 = 2¹ × 3² × 7¹ × 11¹ × 29¹

Step-3: Factors of 40178

List of positive integer factors of 40178 that divides 40178 without a remainder.

1, 2, 20089

Step-4: Factors of 40194

List of positive integer factors of 40194 that divides 40178 without a remainder.

1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 29, 33, 42, 58, 63, 66, 77, 87, 99, 126, 154, 174, 198, 203, 231, 261, 319, 406, 462, 522, 609, 638, 693, 957, 1218, 1386, 1827, 1914, 2233, 2871, 3654, 4466, 5742, 6699, 13398, 20097

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40178 and 40194. The biggest common factor number is the GCF number.
So the greatest common factor 40178 and 40194 is 2.

Also check out the Least Common Multiple of 40178 and 40194