What is the Greatest Common Factor of 842 and 847?
Greatest common factor (GCF) of 842 and 847 is 1.
GCF(842,847) = 1
We will now calculate the prime factors of 842 and 847, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 842 and 847.
How to find the GCF of 842 and 847?
We will first find the prime factorization of 842 and 847. After we will calculate the factors of 842 and 847 and find the biggest common factor number .
Step-1: Prime Factorization of 842
Prime factors of 842 are 2, 421. Prime factorization of 842 in exponential form is:
842 = 21 × 4211
Step-2: Prime Factorization of 847
Prime factors of 847 are 7, 11. Prime factorization of 847 in exponential form is:
847 = 71 × 112
Step-3: Factors of 842
List of positive integer factors of 842 that divides 842 without a remainder.
1, 2, 421
Step-4: Factors of 847
List of positive integer factors of 847 that divides 842 without a remainder.
1, 7, 11, 77, 121
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 842 and 847. The biggest common factor number is the GCF number.
So the greatest common factor 842 and 847 is 1.
Also check out the Least Common Multiple of 842 and 847
Related Greatest Common Factors of 842
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Related Greatest Common Factors of 847
- GCF of 847 and 851
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