Factor Info

ID 161784
Size 529 digits / 1755 bits
Status composite
Value 1797915337128647626878242952527534363569355370276261571956413431632070408919586230148485410542440109339716270114663371441857549091239843812323797874796636188685898786548489326612412837070715019056199613047063403543890191597866906087494970917472242486829831107379360173244468955353960601880418728155199199544981076709064127202586246279025585127270317017296214950388247994186660346352128847592596803917148319155814978709823550408050597193501398625065748374195361037837657586390433180649023940275662933581768826371507416703942588857

Factorizations

Primary (ID: 161267) 21872959043581482917 (proven prime)
(ID: 161785) 82198084563973864196576905594251789277196070385148038397847981413040574775649920046740695323984041416106709145204740619731855818180794667587976416534523216401022782981827958840048999655242823119555777879677396243100134086026423461815339589205055354940130118929803134424934245533063640878809405920869883590312201985935888676784327152743060361730636544064871965868409147290057098528094372788604690004070476677496484994346835803028622285206382896813287600336383099569182847137809789176816189728645158091037842821 (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.