Factor Info

ID 128437
Size 719 digits / 2387 bits
Status composite
Value 19165073326458659806311606822180163060856662798709608942121160396465625508659220322829049886031485782047850194967843686208518941549439371929639641244944105639843221185640579744706024913395018155752265287978666787544558073373116183504168706800234909847672587864118777910512500074341456922262058986000290631035816429965980870397482974127113360260207510276081505123615614173221250901078014669657332123025175994587416385499991620962657341825264049170635064935239627325988851299798712145965068853159196239029205909027103608128666563891942158664495267318510195581027254913291697564652429976752769525958084470419048106589739616945964137510646524940486131400253975671267471946432949734392184919560146135744827940105859767658137

Factorizations

Primary (ID: 115277) 1917959524961446381097881666440454196685472028013668720449 (proven prime)
(ID: 128439) 9992428451712975582602887947548040243762358311063317919101097498597959283461383365659318769533598782169598051025125998059028653365948152737772763919469982797739304251147518852199399584450483116638708319981460097484520807836345497879688040366256938017422079759094322254216945904633762811403394877184931424377440023884151918422875988997284020651626055259183064616721898443256861006411657666476201306437248447030466638350000532695554284956505615430701625995786102197436665708771933092220858885765445665711027479327286330274785289324671355895083917525754370665935037685975203308974423278226785543191806383535983535531636557278956304898136909939673409766764084922713 (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.