The answer to “We call a positive integer perfect if it equals the sum of its positive divisors other than itself.a) Show that 6 and 28 are perfect.________________b) Show that 2p-1(2p- 1) is a perfect number when 2p -1 is prime.” is broken down into a number of easy to follow steps, and 38 words. This textbook survival guide was created for the textbook: Discrete Mathematics and Its Applications, edition: 7. Discrete Mathematics and Its Applications was written by and is associated to the ISBN: 9780073383095. The full step-by-step solution to problem: 18E from chapter: 4.3 was answered by , our top Math solution expert on 06/21/17, 07:45AM. Since the solution to 18E from 4.3 chapter was answered, more than 289 students have viewed the full step-by-step answer. This full solution covers the following key subjects: perfect, show, Positive, other, its. This expansive textbook survival guide covers 101 chapters, and 4221 solutions.