Factor Info

ID 155729
Size 651 digits / 2162 bits
Status composite
Value 337621472295660674477542273507246385920915581297679830914984649291546232188627614748565466141668268028206045683873279228200315409781678582133889476036549252108292747346604726490720567543124968741168019832300792001794018643067451407690025017423115904582080988293099304701887917889898009287208322205014014892161060044924952196222960996834707420102140505533827187506424524743437893422104906147134313430975802806857384878146199957398995306398718892724789829650388270495819837867793241980700849303300060501660322498554163799287980969023069154194249729829779266964613360378732653902799874668334537421576978469953141795572216678431973851225545595915091753811

Factorizations

Primary (ID: 155730) 20236060635541385933 (proven prime)
(ID: 155731) 16684150061434529316442747135247856852550706103837053632210073239430236706043569515181640071273748590136566410075631779449106147546398376584447654287219559198674289617435795642597553239223131920469956249582817230926153739296404278215368295851931121908978369099785527958810751988835383559884311074709980763452924117258207581538160620529095225131654550086797629378322346541054759982696931275023868865592086419629823449302897311400197237344516959389957178449457299355977784878400415496038799490995369674381679336607163320724655992322251362619858390200821114907568755845369027985115323297869223250890076814018437758015404230557958891167 (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.