Unformatted text preview: k integers could be.) 4. Either prove or give a counterexample to, a 3  b 3 if and only if a  b . 5. Find the prime factorization of gcd( a,b ) and of lcm( a,b ), where a = 25! and b = (5500) 3 (1001) 2 . 6. Find the number of positive integers whose prime factors are 2, 3 and 5 and which have exactly 20 positive divisors. 1...
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This note was uploaded on 07/24/2011 for the course MATH 135 taught by Professor Andrewchilds during the Winter '08 term at Waterloo.
 Winter '08
 ANDREWCHILDS
 Math, Integers

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