What is the Greatest Common Factor of 777 and 781?
Greatest common factor (GCF) of 777 and 781 is 1.
GCF(777,781) = 1
We will now calculate the prime factors of 777 and 781, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 777 and 781.
How to find the GCF of 777 and 781?
We will first find the prime factorization of 777 and 781. After we will calculate the factors of 777 and 781 and find the biggest common factor number .
Step-1: Prime Factorization of 777
Prime factors of 777 are 3, 7, 37. Prime factorization of 777 in exponential form is:
777 = 31 × 71 × 371
Step-2: Prime Factorization of 781
Prime factors of 781 are 11, 71. Prime factorization of 781 in exponential form is:
781 = 111 × 711
Step-3: Factors of 777
List of positive integer factors of 777 that divides 777 without a remainder.
1, 3, 7, 21, 37, 111, 259
Step-4: Factors of 781
List of positive integer factors of 781 that divides 777 without a remainder.
1, 11, 71
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 777 and 781. The biggest common factor number is the GCF number.
So the greatest common factor 777 and 781 is 1.
Also check out the Least Common Multiple of 777 and 781
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Related Greatest Common Factors of 781
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