What is the Greatest Common Factor of 12642 and 12651?
Greatest common factor (GCF) of 12642 and 12651 is 3.
GCF(12642,12651) = 3
We will now calculate the prime factors of 12642 and 12651, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12642 and 12651.
How to find the GCF of 12642 and 12651?
We will first find the prime factorization of 12642 and 12651. After we will calculate the factors of 12642 and 12651 and find the biggest common factor number .
Step-1: Prime Factorization of 12642
Prime factors of 12642 are 2, 3, 7, 43. Prime factorization of 12642 in exponential form is:
12642 = 21 × 31 × 72 × 431
Step-2: Prime Factorization of 12651
Prime factors of 12651 are 3, 4217. Prime factorization of 12651 in exponential form is:
12651 = 31 × 42171
Step-3: Factors of 12642
List of positive integer factors of 12642 that divides 12642 without a remainder.
1, 2, 3, 6, 7, 14, 21, 42, 43, 49, 86, 98, 129, 147, 258, 294, 301, 602, 903, 1806, 2107, 4214, 6321
Step-4: Factors of 12651
List of positive integer factors of 12651 that divides 12642 without a remainder.
1, 3, 4217
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 12642 and 12651. The biggest common factor number is the GCF number.
So the greatest common factor 12642 and 12651 is 3.
Also check out the Least Common Multiple of 12642 and 12651
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