Factor Info

ID 104278
Size 719 digits / 2387 bits
Status composite
Value 28534634907725872087431619264904009026257306474830053287609324691779645077306525609511947849122851835143637349163682773469417190027568805588628785906633064486994895655517322504951050418094833952009729022616700648704238732068010997995437428591259523784225732042146570533832981835471724550488540497310257867168331790111863046973310054132809410347896796807518352298729387760066741465535960734328683980084581334627958479193193018665483900378959366571965656750342448938264013208336509477289963117711313816052323454773579985952165009203150117881820323262630278955764870137582177646577966942206708719118588111514918420791094595476534719222095336300683230363619908708589750359061106503673671733456657695985854118199591756543489

Factorizations

Primary (ID: 1959) 44428193635116460811498023883 (proven prime)
(ID: 123543) 642264124940065740447811726770058962066312819215095969509511286661374906328565883165473648384893555033642778164077168347396095972720413394799435807200235199440889661052018354379007287528341783686703896530885782327949317656029131641058707163763804896550889671091866704261324677250470645133330995786687823595571217689146883482945571319482610033277496185929818866134933653572546564768984942188745088368388063267856061930929693845569606336793677691732247898582818675951218229174319633618842571962538039780519361495483414424991985559340535983081872487313048084424964465556659073310127933469491273348635335248197784575923166784521132303248614378519842790661111207485552101324399188450685357376483 (composite)
Secondary (ID: 9102) × (ID: 104279)

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.