What is the Greatest Common Factor of 771 and 775?
Greatest common factor (GCF) of 771 and 775 is 1.
GCF(771,775) = 1
We will now calculate the prime factors of 771 and 775, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 771 and 775.
How to find the GCF of 771 and 775?
We will first find the prime factorization of 771 and 775. After we will calculate the factors of 771 and 775 and find the biggest common factor number .
Step-1: Prime Factorization of 771
Prime factors of 771 are 3, 257. Prime factorization of 771 in exponential form is:
771 = 31 × 2571
Step-2: Prime Factorization of 775
Prime factors of 775 are 5, 31. Prime factorization of 775 in exponential form is:
775 = 52 × 311
Step-3: Factors of 771
List of positive integer factors of 771 that divides 771 without a remainder.
1, 3, 257
Step-4: Factors of 775
List of positive integer factors of 775 that divides 771 without a remainder.
1, 5, 25, 31, 155
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 771 and 775. The biggest common factor number is the GCF number.
So the greatest common factor 771 and 775 is 1.
Also check out the Least Common Multiple of 771 and 775
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