Factor Info

ID 53421
Size 397 digits / 1317 bits
Status composite
Value 2570256782223177153562057015311329273780128706483356120809281975397609510486682215388210121154997801588494221288138946910120454729232850661335872557036971032189378062669848287645850892911745257279485852171479466626708351335245109105364321764452292352634808418964353820871681593990646506991367401089258539704346453223263290078907009222720888438884384581696946086914344189909803489527142337421492231

Factorizations

Primary (ID: 52780) 305115772972736748643 (proven prime)
(ID: 53422) 8423873853459681167740182632421658360339589248216528033644277849708839569654243269293329732210754276021113842626107472460127991224528648823676799343193752181445309402423318277396145246238740389834167276073913545666141187795716527288444974019210463173871636662841446240354491947811671007085528527735669148619196908173798818528881934444678563313165892817915468861219752969807117 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.