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[ June 14, 2000 ] the C137 composite number from step 74 of HP(49) - or step 73 of HP(77) - using ECM. See my Homeprime webpage about 'Repeated Factorization of Concatenated Primefactors of the Composite Numbers' After almost six months of computation on a PII-300, Paul Leyland can reveal that The two factors are respectively My compliments to you, Paul ! go directly to step 74 | |||
A000077 Prime Curios! Prime Puzzle Wikipedia 77 Le Nombre 77 Numberland 77 |
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