Show that every integer of the form (6m + 1)(12m + 1)(18m + 1), where m E Z+ such 6m+1, 12m+1, and 18m+1 are all primes, is a Carmichael number.
Show that every integer of the form (6m + 1)(12m + 1)(18m + 1), where m E Z+ such 6m+1, 12m+1, and 18m+1 are all primes, is a Carmichael number.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Show that every integer of the form (6m + 1)(12m + 1)(18m + 1),
where m E Z+ such 6m+1, 12m+1, and 18m+1 are all primes, is a Carmichael
number.
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