What is the Greatest Common Factor of 709 and 720?
Greatest common factor (GCF) of 709 and 720 is 1.
GCF(709,720) = 1
We will now calculate the prime factors of 709 and 720, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 709 and 720.
How to find the GCF of 709 and 720?
We will first find the prime factorization of 709 and 720. After we will calculate the factors of 709 and 720 and find the biggest common factor number .
Step-1: Prime Factorization of 709
Prime factors of 709 are 709. Prime factorization of 709 in exponential form is:
709 = 7091
Step-2: Prime Factorization of 720
Prime factors of 720 are 2, 3, 5. Prime factorization of 720 in exponential form is:
720 = 24 × 32 × 51
Step-3: Factors of 709
List of positive integer factors of 709 that divides 709 without a remainder.
1
Step-4: Factors of 720
List of positive integer factors of 720 that divides 709 without a remainder.
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 709 and 720. The biggest common factor number is the GCF number.
So the greatest common factor 709 and 720 is 1.
Also check out the Least Common Multiple of 709 and 720
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