Factor Info

ID 165225
Size 978 digits / 3248 bits
Status composite
Value 463615337187406355904908644081976232572786136265713627220026514666325971565443579462853331524429648871286081638028088849810155369534681816095409692135721601659302845528228896701753764907418677262520394264895858875660374896613624470084544514687688048298249849432764743422762217996642486630664440057105783561573558136013159519634644296050793689280960611521821914690944311531633110472546766998549932834269203968861067528100031439388856834850601296937503195047141872706976573043270201299403642715243441074674519946406348612697818455119329644146339418301521980668104887125299528083028504507942038956698075974841422079427863171940059760350210372208965936716396313034184457388772653340600757486113803353883283058264925342511756564270057137297071326752201104226860978366461837091052105386609890597768472925692153942498212379319165170962893366696654434089632170979799205394142389839593258923949858903033157114895767554233666039848331063332261666563825151363978764674296594984043687910061

Factorizations

Primary (ID: 163793) 21665866032788789281 (proven prime)
(ID: 165226) 21398421668710496818524390989335901877386121167739512520620315085953420592755972397586675627261231505618979765670524955662356396262665436734277630982009007608481119241197916087687456402246499203049883022269168097263095400492474040296220311759161504334743732955510958870011382878560283874835193729601781796252605032106485735422477179719050783958593562563603160966188478526810547167925917519341977905428698241279703978813702710799054618683689646696245503314873739672893505839476491305515595727651227036183763510578656974560694713992403217211759183517459110888876065035033892701304915023091682858877352863321144828501609469869235962386812222370457666640057016970492278227782833499118166338443168990501597556028203653804486544259088183467300527467760400400626159537502110996145133125134906551347959842266055377855033583968147648520169020867810265712476464713886307208707572925174066983128050194138011241226793128566339615315071171735475175237009522633949840474381 (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.