What is the Greatest Common Factor of 76840 and 76857?
Greatest common factor (GCF) of 76840 and 76857 is 17.
GCF(76840,76857) = 17
We will now calculate the prime factors of 76840 and 76857, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 76840 and 76857.
How to find the GCF of 76840 and 76857?
We will first find the prime factorization of 76840 and 76857. After we will calculate the factors of 76840 and 76857 and find the biggest common factor number .
Step-1: Prime Factorization of 76840
Prime factors of 76840 are 2, 5, 17, 113. Prime factorization of 76840 in exponential form is:
76840 = 23 × 51 × 171 × 1131
Step-2: Prime Factorization of 76857
Prime factors of 76857 are 3, 11, 17, 137. Prime factorization of 76857 in exponential form is:
76857 = 31 × 111 × 171 × 1371
Step-3: Factors of 76840
List of positive integer factors of 76840 that divides 76840 without a remainder.
1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 113, 136, 170, 226, 340, 452, 565, 680, 904, 1130, 1921, 2260, 3842, 4520, 7684, 9605, 15368, 19210, 38420
Step-4: Factors of 76857
List of positive integer factors of 76857 that divides 76840 without a remainder.
1, 3, 11, 17, 33, 51, 137, 187, 411, 561, 1507, 2329, 4521, 6987, 25619
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 76840 and 76857. The biggest common factor number is the GCF number.
So the greatest common factor 76840 and 76857 is 17.
Also check out the Least Common Multiple of 76840 and 76857
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