Factor Info

ID 178290
Size 875 digits / 2905 bits
Status composite
Value 21086521454808392724908256576817089850279779547128968962744979590676897384403668211276327876158608126742077642950579220561330113365098457925361854746667488128299627391582093827221357300946463152296848816631601313578044143162942622200511050404067407647848824519094679576110858038185157889333058111349886122847468687164143629561461036491344906321375671561807045569942393356478922989684284072594024432044989748925635751550196769946433889793180648735165677525795141636624437353096693790712812439194988945900669275321408593315667185663207842798212451996939411380939606760576651750357688032465325603503560484734675065943355260958282822346618351151085423760092173730758000731944630051604792727212441827367534945115396077313450366521780768984274468949837655137604555334200684342237406219297327609426935367828305928662077186918554022632537345966372086743941508111533785838576925953109

Factorizations

Primary (ID: 178291) 3128814593728808999153290465624464463 (proven prime)
(ID: 178292) 6739460208691443378018794492106286285220302195709654204015428491248748282693882110239593407747263075989616549103182602968827280821195892794003025158135727296381139745361570598759701381816914685441884683320185050805487358849972574801405802054820472078190595936124410085509161813382757908925491992076507213575210745811926959554606119512515825142326805915265002046782464814401903887178939952547457630531104734145383869591544563137035894121241427842173750680705541101267555148440472131481147732846105667727537536073860843199618033364608736962425430762006410692088761748756657392253982912402301565868453164794123764854444117921719380285040332116138569790607224081093416471210821515783550115682848726144987623214781585427102812985000214107148128697160625942865468848634519782872346211628296948362733950890122554488922547519916910604537455292443 (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.