%0 Journal Article %A N. Robbins %T Lower bounds for the largest prime factor of an odd perfect number which is divisible by a Fermat prime. %J Journal für die reine und angewandte Mathematik %D 1975 %P 14-21 %V 0278_0279 %I mathdoc %U http://geodesic.mathdoc.fr/item/JRAM_1975__0278_0279_151639/ %F JRAM_1975__0278_0279_151639