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math!
GCD (24,20)IS 4. sINCE gcd (4,12) IS 4, THEN gcd (24,20,12) is 4. use this approach and the euclidean algorithim to find the GCD ( 722, 2413,209) WHAT IS THE gcd?
asked by BECKY! on November 19, 2014 
math
GCD (24,20) IS 4. sINCE gcd(4,12 ) is 4 then GCD (24,2012 IS 4 USE Euclidem LGERITHM TO FIND THE gcd 722, 2413,209
asked by ELLA on November 18, 2014 
Math
This is a problem concerning GCD. I need to prove gcd(a,b) = gcd(a,b+a). I always get like like halfway then hit a roadblock (e.g. i can prove gcd(a,b) = gcd(a,b+a).
asked by George on October 4, 2009 
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If a and b are positive integers, prove that: ab = gcd(a,b)*lcm(a,b). Can visualize this being true and easily create examples just don't know how to prove algebraically. well the gcd of any two number can be found by multiplying
asked by Rom on March 8, 2007 
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(a). Is it true that for all set of positive integers a, b, c. gcd(a,c) + gcd(b,c) = gcd(a + b,c). Explain (b) Is it true that there exist a set of positive integers a,b,c, such that gcd(a,c) + gcd(b,c) = gcd(a + b,c). Explain
asked by excel on February 7, 2014 
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(a) Use the Euclidean Algorithm to nd gcd (2017; 271) and use this to nd integers x and y so that gcd(2017; 271) = 2017x + 271y. (b) Is it true that for all integers a and b, if not both a and b are zeros then not both
asked by Mariaaaaaaa on January 29, 2017 
Math
What is the inverse of 987x=1 (mod 11)? What I've done so far is: GCD(987, 11) 987 = 89 * 11 + 8 GCD(11, 8) 11 = 1 * 8 + 3 GCD(8,3) 8 = 2 * 3 + 2 GCD(3,2) 3 = 1 * 2 + 1 ...So basically, the GCD(987, 11) is 1. So... 1 = 3  2 = 3 
asked by Nora on March 24, 2015 
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how can write a pseudo code and a flow charts to solve these? 1 to find the greatest common divisor out of two positive integers. 2 to find the smallest common factor out of two positive intrgers. Write the flow of thinking just
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I don't understand common factors. can someone show me how to find the greatest common factor of 385 and 1365? 385 = 5 x 7 x 11 1365 = 3 x 5 x 7 x 13 which factors are found in both? 5 x 7 so 35 is the HCF, (it's like taking the
asked by kim on April 18, 2007 
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write each of the following as the ratio of two integers in lowest terms: 2 and 3/4 Any integer n can be written as n/1. If the ratio of two integers is in lowest terms then the greatest common divisor or gcd of them is 1. What is
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