What is the Greatest Common Factor of 866 and 870?
Greatest common factor (GCF) of 866 and 870 is 2.
GCF(866,870) = 2
We will now calculate the prime factors of 866 and 870, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 866 and 870.
How to find the GCF of 866 and 870?
We will first find the prime factorization of 866 and 870. After we will calculate the factors of 866 and 870 and find the biggest common factor number .
Step-1: Prime Factorization of 866
Prime factors of 866 are 2, 433. Prime factorization of 866 in exponential form is:
866 = 21 × 4331
Step-2: Prime Factorization of 870
Prime factors of 870 are 2, 3, 5, 29. Prime factorization of 870 in exponential form is:
870 = 21 × 31 × 51 × 291
Step-3: Factors of 866
List of positive integer factors of 866 that divides 866 without a remainder.
1, 2, 433
Step-4: Factors of 870
List of positive integer factors of 870 that divides 866 without a remainder.
1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 866 and 870. The biggest common factor number is the GCF number.
So the greatest common factor 866 and 870 is 2.
Also check out the Least Common Multiple of 866 and 870
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