Factor Info

ID 155879
Size 573 digits / 1901 bits
Status composite
Value 160162985386998164461096434940117100622984995397021579724848385175351833866939176711384606871645296000243456835988218173949007040814573784140737878119296410826316827571621228553540751270166415614345011723131648060543108318228243322084354754976998117534261895353764874164360497293204343192630384938747917434448517074126394398505673308309436497273742469693235234417759699287352721332292490349280841877357581561901422615722844351592771679703040467119212368613072235736728585000903303804975776214258666158123356908886192426144234677303146774671516102683508460907481399381552977

Factorizations

Primary (ID: 156692) 242755078511627713091591933221 (proven prime)
(ID: 189812) 659771924727525425650270711101596035261732031633977586878334457783473560664771816486959291083252837233506081035328374646404748569593743240746941104248312036991227842389754380321037983526026384749140897426460035773374877107180144347388270863330546403732867516364422992522109796536618074882961235857253201802380850993681935261689164656464510125731315740080250318994924617224948433069419184781147486078918842282317644377023519488347221077610814195008127646053503028256644979866519134754139491095713972919320387276400499612626652680417477862907837 (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.