Factor Info

ID 163088
Size 1130 digits / 3752 bits
Status composite
Value 21565517010278881760959743117423560622138423947220849081768748617659722436904631114685872596437016066881686623209494091878133675262330585153840556816337064088604515153368537712455289360218990018217267611855479507178616142787304166003719851896876845278109761696385756751055107483442240145056342702687672630337673147127189346300279432775865447776179431002505590482881421649183546467446445366642108470724226561729416779885553508507534939076837996668450446262090387231851712245323590441175242906137713700198567470103492897559970807908243787696272803396816099861780244436850105385855149698732307747936706958301775980595011989664673218206471943258271787231429707219607721640658081959449141597100288294097360324967831197120419849311821082083714485793146374641260751036496458453765175445768814028873982578688149755280042126192013204515265271753377162615299993539037087652023158811827823442124838746373833946716361749670592350698595474660667462205370076075113329408850330251928186533066604694471762084913083976465710878020107375152046269911334648511830324533037954646573297694095428255071068588791147719549191010034867090784242571589160601

Factorizations

Primary (ID: 161506) 4181207792923618554286385041 (proven prime)
(ID: 163089) 5157724293630397000242907168655547117211464197732585501504339236661702174625948418066549022458571268637995908680449265668656967807019019010514386147254753349023106117765929618278798563052808818265797977251008302241703766779950479558763347061148576509417702918170287866198413547382554579288371798632953467143947047508914702077168353615117565000402933565293729246328306783133768043041906705747378595784431427548820509388477032590479030392696876650191374072104839645832208186450278367583457327197026747186915042273584268309230381002381723879962094380638600317644694405859395972060342040243188295552699875659419884829751299671344800954876862763851185478424503597180369063783028779328453740590829370358355110252556602648836073973314884383300874238215335115878539215181907685064639288935857325468699410329697359161089634557459645492781475107460677407123821821223255899218978419686132655596516875155500694461585445251027850722393694300162032352746983503056327566489625223406641454183742230738235375153340388319914931917195969851890709766592097788788481436348084193697359907236614994294486322262273692463809161 (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.