What is the Greatest Common Factor of 12155 and 12162?

Greatest common factor (GCF) of 12155 and 12162 is 1.

GCF(12155,12162) = 1

We will now calculate the prime factors of 12155 and 12162, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12155 and 12162.

How to find the GCF of 12155 and 12162?

We will first find the prime factorization of 12155 and 12162. After we will calculate the factors of 12155 and 12162 and find the biggest common factor number .

Step-1: Prime Factorization of 12155

Prime factors of 12155 are 5, 11, 13, 17. Prime factorization of 12155 in exponential form is:

12155 = 5¹ × 11¹ × 13¹ × 17¹

Step-2: Prime Factorization of 12162

Prime factors of 12162 are 2, 3, 2027. Prime factorization of 12162 in exponential form is:

12162 = 2¹ × 3¹ × 2027¹

Step-3: Factors of 12155

List of positive integer factors of 12155 that divides 12155 without a remainder.

1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2431

Step-4: Factors of 12162

List of positive integer factors of 12162 that divides 12155 without a remainder.

1, 2, 3, 6, 2027, 4054, 6081

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12155 and 12162. The biggest common factor number is the GCF number.
So the greatest common factor 12155 and 12162 is 1.

Also check out the Least Common Multiple of 12155 and 12162