What is the Greatest Common Factor of 12145 and 12156?

Greatest common factor (GCF) of 12145 and 12156 is 1.

GCF(12145,12156) = 1

We will now calculate the prime factors of 12145 and 12156, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12145 and 12156.

How to find the GCF of 12145 and 12156?

We will first find the prime factorization of 12145 and 12156. After we will calculate the factors of 12145 and 12156 and find the biggest common factor number .

Step-1: Prime Factorization of 12145

Prime factors of 12145 are 5, 7, 347. Prime factorization of 12145 in exponential form is:

12145 = 5¹ × 7¹ × 347¹

Step-2: Prime Factorization of 12156

Prime factors of 12156 are 2, 3, 1013. Prime factorization of 12156 in exponential form is:

12156 = 2² × 3¹ × 1013¹

Step-3: Factors of 12145

List of positive integer factors of 12145 that divides 12145 without a remainder.

1, 5, 7, 35, 347, 1735, 2429

Step-4: Factors of 12156

List of positive integer factors of 12156 that divides 12145 without a remainder.

1, 2, 3, 4, 6, 12, 1013, 2026, 3039, 4052, 6078

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12145 and 12156. The biggest common factor number is the GCF number.
So the greatest common factor 12145 and 12156 is 1.

Also check out the Least Common Multiple of 12145 and 12156