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Unformatted text preview: also numbers u,v such that gcd (168 , 456) = 168 u + 456 v . 7. Find the greatest common divisor and the least common multiple of 630 and 40452. 8. Find the prime factorization of (a) 148500; (b) 7114800; (c) 7882875. 1 9. How many positive divisors are there for n = 2 14 3 9 5 8 7 10 11 3 13 5 37 10 . 10. A perfect square is a number n such that n = k 2 for some integer k . Determine the smallest perfect square that is divisible by 7!. 2...
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 Fall '09
 MarniMishna

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