What is the Greatest Common Factor of 775 and 784?
Greatest common factor (GCF) of 775 and 784 is 1.
GCF(775,784) = 1
We will now calculate the prime factors of 775 and 784, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 775 and 784.
How to find the GCF of 775 and 784?
We will first find the prime factorization of 775 and 784. After we will calculate the factors of 775 and 784 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 784
Prime factors of 784 are 2, 7. Prime factorization of 784 in exponential form is:
784 = 24 × 72
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 784
List of positive integer factors of 784 that divides 775 without a remainder.
1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 775 and 784. The biggest common factor number is the GCF number.
So the greatest common factor 775 and 784 is 1.
Also check out the Least Common Multiple of 775 and 784
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Related Greatest Common Factors of 784
- GCF of 784 and 788
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