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Math
Which Statements of congruence are true and which are false and why? 177 _= 17 (mod 8) 871 _= 713 (mod 29) 1322 _= 5294 (mod 12) 5141 _= 8353 (mod 11) 13944 _= 8919 (mod 13) 67 x 73 _= 1 x 3 (mod 5) 17 x 18 x 19 x 20 _= 4! (mod 8)
asked by Jimmy on October 22, 2012 
math
Which Statements of congruence are true and which are false and why? 177 _= 17 (mod 8) 871 _= 713 (mod 29) 1322 _= 5294 (mod 12) 5141 _= 8353 (mod 11) 13944 _= 8919 (mod 13) 67 x 73 _= 1 x 3 (mod 5) 17 x 18 x 19 x 20 _= 4! (mod 8)
asked by Jimmy on October 24, 2012 
Math
Which Statements of congruence are true and which are false and why? 177 _= 17 (mod 8) 871 _= 713 (mod 29) 1322 _= 5294 (mod 12) 5141 _= 8353 (mod 11) 13944 _= 8919 (mod 13) 67 x 73 _= 1 x 3 (mod 5) 17 x 18 x 19 x 20 _= 4! (mod 8)
asked by Jimmy on October 29, 2012 
Math
Let a, b, and m be integers, and m ≥ 2. Prove that: ab ≡ [ (a mod m) · (b mod m) ] (mod m). So I tried proof by cases: Assume ab ≡ [(a mod m) ∙ (b mod m)] mod m is true. Then ab mod m = [(a mod m) ∙ (b mod m)] mod m,
asked by Kid on November 9, 2018 
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Which two is true as i'm confused A) 3+7 ß 10 mod 15 17 + 9 ß 4 mod 21 12 + 14 ß 0 mod 26 B) 4+11 ß 2 mod 13 9+7 ß 4 mod 12 13 + 13 ß 1 mod 25 C) 5+9 ß 4 mod 10 16 + 13 ß 3 mod 26 12 + 7 ß 6 mod 14 d)2+7
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Find all numbers $r$ for which the system of congruences: x == r mod 6 x == 9 mod 20 x == 4 mod 45 has a solution.
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how do we find the least residue of 1789 (mod 4), (mod 10), (mod 101)
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how do we find the least residue of 1789 (mod 4), (mod 10), (mod 101)
asked by Julie on February 1, 2009 
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how do we find the least residue of 1789 (mod 4), (mod 10), (mod 101)
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Find the least residue of 7^5 mod 50 without using a calculator. so far I have 7=7 mod 50 7^5 = 7^5 mod 50 7^2 = 49 7^3=343 since 7^2=(1)mod50 and 7^3=(43)mod50 it follows that 7^6=7^2 * 7^3 = (1)(43) = 43 feel like this is
asked by s17 on November 28, 2016