What is the Greatest Common Factor of 720 and 731?
Greatest common factor (GCF) of 720 and 731 is 1.
GCF(720,731) = 1
We will now calculate the prime factors of 720 and 731, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 720 and 731.
How to find the GCF of 720 and 731?
We will first find the prime factorization of 720 and 731. After we will calculate the factors of 720 and 731 and find the biggest common factor number .
Step-1: 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-2: Prime Factorization of 731
Prime factors of 731 are 17, 43. Prime factorization of 731 in exponential form is:
731 = 171 × 431
Step-3: Factors of 720
List of positive integer factors of 720 that divides 720 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
Step-4: Factors of 731
List of positive integer factors of 731 that divides 720 without a remainder.
1, 17, 43
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 720 and 731. The biggest common factor number is the GCF number.
So the greatest common factor 720 and 731 is 1.
Also check out the Least Common Multiple of 720 and 731
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