What is the Greatest Common Factor of 40185 and 40198?

Greatest common factor (GCF) of 40185 and 40198 is 1.

GCF(40185,40198) = 1

We will now calculate the prime factors of 40185 and 40198, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 40185 and 40198.

How to find the GCF of 40185 and 40198?

We will first find the prime factorization of 40185 and 40198. After we will calculate the factors of 40185 and 40198 and find the biggest common factor number .

Step-1: Prime Factorization of 40185

Prime factors of 40185 are 3, 5, 19, 47. Prime factorization of 40185 in exponential form is:

40185 = 3² × 5¹ × 19¹ × 47¹

Step-2: Prime Factorization of 40198

Prime factors of 40198 are 2, 101, 199. Prime factorization of 40198 in exponential form is:

40198 = 2¹ × 101¹ × 199¹

Step-3: Factors of 40185

List of positive integer factors of 40185 that divides 40185 without a remainder.

1, 3, 5, 9, 15, 19, 45, 47, 57, 95, 141, 171, 235, 285, 423, 705, 855, 893, 2115, 2679, 4465, 8037, 13395

Step-4: Factors of 40198

List of positive integer factors of 40198 that divides 40185 without a remainder.

1, 2, 101, 199, 202, 398, 20099

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 40185 and 40198. The biggest common factor number is the GCF number.
So the greatest common factor 40185 and 40198 is 1.

Also check out the Least Common Multiple of 40185 and 40198