What is the Greatest Common Factor of 775 and 782?
Greatest common factor (GCF) of 775 and 782 is 1.
GCF(775,782) = 1
We will now calculate the prime factors of 775 and 782, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 775 and 782.
How to find the GCF of 775 and 782?
We will first find the prime factorization of 775 and 782. After we will calculate the factors of 775 and 782 and find the biggest common factor number .
Step-1: Prime Factorization of 775
Prime factors of 775 are 5, 31. Prime factorization of 775 in exponential form is:
775 = 52 × 311
Step-2: Prime Factorization of 782
Prime factors of 782 are 2, 17, 23. Prime factorization of 782 in exponential form is:
782 = 21 × 171 × 231
Step-3: Factors of 775
List of positive integer factors of 775 that divides 775 without a remainder.
1, 5, 25, 31, 155
Step-4: Factors of 782
List of positive integer factors of 782 that divides 775 without a remainder.
1, 2, 17, 23, 34, 46, 391
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 775 and 782. The biggest common factor number is the GCF number.
So the greatest common factor 775 and 782 is 1.
Also check out the Least Common Multiple of 775 and 782
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