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 Showing results 1 to 3 of 3 Search took 0.01 seconds. Search: Posts Made By: Dobri
 Forum: Miscellaneous Math 2022-03-13, 18:18 Replies: 13 Views: 1,750 Posted By Dobri This general statement could be a bit confusing... This general statement could be a bit confusing for the OP if not being a mathematician. The case considered in their thread is concerned with the quoted positive integer n being an even number and...
 Forum: Miscellaneous Math 2022-03-12, 19:56 Replies: 13 Views: 1,750 Posted By Dobri Note that 2p - 1 = 6n + 1 for all odd positive... Note that 2p - 1 = 6n + 1 for all odd positive integers p = 1, 3, 5, 7, 9,... because 2p - 1 = (2 - 1)(2p-1 + 2p-2 + ... + 22 + 21 + 20) = ((3-1)p-1 + (3-1)p-2) + ... + ((3-1)2 + (3-1)1) + 1 and...
 Forum: Miscellaneous Math 2022-03-11, 13:37 Replies: 13 Views: 1,750 Posted By Dobri Concerning the exponents of known Mersenne... Concerning the exponents of known Mersenne primes, except for the exponents 2 and 3, 24 exponents are of the type 6k+1 and 25 exponents are of the type 6k-1, see...
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