What is the Greatest Common Factor of 759 and 765?
Greatest common factor (GCF) of 759 and 765 is 3.
GCF(759,765) = 3
We will now calculate the prime factors of 759 and 765, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 759 and 765.
How to find the GCF of 759 and 765?
We will first find the prime factorization of 759 and 765. After we will calculate the factors of 759 and 765 and find the biggest common factor number .
Step-1: Prime Factorization of 759
Prime factors of 759 are 3, 11, 23. Prime factorization of 759 in exponential form is:
759 = 31 × 111 × 231
Step-2: Prime Factorization of 765
Prime factors of 765 are 3, 5, 17. Prime factorization of 765 in exponential form is:
765 = 32 × 51 × 171
Step-3: Factors of 759
List of positive integer factors of 759 that divides 759 without a remainder.
1, 3, 11, 23, 33, 69, 253
Step-4: Factors of 765
List of positive integer factors of 765 that divides 759 without a remainder.
1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 759 and 765. The biggest common factor number is the GCF number.
So the greatest common factor 759 and 765 is 3.
Also check out the Least Common Multiple of 759 and 765
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