What is the Greatest Common Factor of 714 and 729?
Greatest common factor (GCF) of 714 and 729 is 3.
GCF(714,729) = 3
We will now calculate the prime factors of 714 and 729, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 714 and 729.
How to find the GCF of 714 and 729?
We will first find the prime factorization of 714 and 729. After we will calculate the factors of 714 and 729 and find the biggest common factor number .
Step-1: Prime Factorization of 714
Prime factors of 714 are 2, 3, 7, 17. Prime factorization of 714 in exponential form is:
714 = 21 × 31 × 71 × 171
Step-2: Prime Factorization of 729
Prime factors of 729 are 3. Prime factorization of 729 in exponential form is:
729 = 36
Step-3: Factors of 714
List of positive integer factors of 714 that divides 714 without a remainder.
1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357
Step-4: Factors of 729
List of positive integer factors of 729 that divides 714 without a remainder.
1, 3, 9, 27, 81, 243
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 714 and 729. The biggest common factor number is the GCF number.
So the greatest common factor 714 and 729 is 3.
Also check out the Least Common Multiple of 714 and 729
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