What is the Greatest Common Factor of 771 and 785?
Greatest common factor (GCF) of 771 and 785 is 1.
GCF(771,785) = 1
We will now calculate the prime factors of 771 and 785, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 771 and 785.
How to find the GCF of 771 and 785?
We will first find the prime factorization of 771 and 785. After we will calculate the factors of 771 and 785 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 785
Prime factors of 785 are 5, 157. Prime factorization of 785 in exponential form is:
785 = 51 × 1571
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 785
List of positive integer factors of 785 that divides 771 without a remainder.
1, 5, 157
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 771 and 785. The biggest common factor number is the GCF number.
So the greatest common factor 771 and 785 is 1.
Also check out the Least Common Multiple of 771 and 785
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