23 Jan
2003
23 Jan
'03
6:27 a.m.
On Thu, 23 Jan 2003, Edwin Clark wrote:
On Thu, 23 Jan 2003, Mr. Nayandeep Deka Baruah wrote:
I want a composite number n having five distinct prime factors (not repeated) such that for each prime factor p of n, p+1|n+1.
These are, as you may know, called Lucas-Carmichael numbers. The first such with n prime factors is 588455 (This may be found at
I meant to say "the first such n with 5 prime factors.." ---Edwin