What is the Greatest Common Factor of 12145 and 12165?
Greatest common factor (GCF) of 12145 and 12165 is 5.
GCF(12145,12165) = 5
We will now calculate the prime factors of 12145 and 12165, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12145 and 12165.
How to find the GCF of 12145 and 12165?
We will first find the prime factorization of 12145 and 12165. After we will calculate the factors of 12145 and 12165 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 12165
Prime factors of 12165 are 3, 5, 811. Prime factorization of 12165 in exponential form is:
12165 = 31 × 51 × 8111
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 12165
List of positive integer factors of 12165 that divides 12145 without a remainder.
1, 3, 5, 15, 811, 2433, 4055
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 12145 and 12165. The biggest common factor number is the GCF number.
So the greatest common factor 12145 and 12165 is 5.
Also check out the Least Common Multiple of 12145 and 12165
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