What is the Greatest Common Factor of 18142 and 18161?

Greatest common factor (GCF) of 18142 and 18161 is 1.

GCF(18142,18161) = 1

We will now calculate the prime factors of 18142 and 18161, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18142 and 18161.

How to find the GCF of 18142 and 18161?

We will first find the prime factorization of 18142 and 18161. After we will calculate the factors of 18142 and 18161 and find the biggest common factor number .

Step-1: Prime Factorization of 18142

Prime factors of 18142 are 2, 47, 193. Prime factorization of 18142 in exponential form is:

18142 = 2¹ × 47¹ × 193¹

Step-2: Prime Factorization of 18161

Prime factors of 18161 are 11, 13, 127. Prime factorization of 18161 in exponential form is:

18161 = 11¹ × 13¹ × 127¹

Step-3: Factors of 18142

List of positive integer factors of 18142 that divides 18142 without a remainder.

1, 2, 47, 94, 193, 386, 9071

Step-4: Factors of 18161

List of positive integer factors of 18161 that divides 18142 without a remainder.

1, 11, 13, 127, 143, 1397, 1651

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18142 and 18161. The biggest common factor number is the GCF number.
So the greatest common factor 18142 and 18161 is 1.

Also check out the Least Common Multiple of 18142 and 18161