Factor Info

ID 191963
Size 769 digits / 2552 bits
Status composite
Value 1478408694726583550613313099010279000810279585578010270945591684495009587983989363530364613720026567378333810892268429782170196531906585156527099190314605541229231980201390326471893986108592674417483814288117391675184068598517360213132055520986306955789426247731106097845027034898286573339540793117937557561722424563658914262683541978374993782060979207990361843101779854996305575966948284035017469915321060917470141721763569373934267362671630069134693129948006083870908395670735653893647694576094362912694129408676575471936493987653483138143655662517022089887671828069278657555442621466572049014466796295712833077520074658299292135304783319168559224555228566003491606874584172736052851367157532234055998430073749611750201137493011738421280683356594388311359828345042567

Factorizations

Primary (ID: 191964) 64428391590210185760758160882293756396899951 (proven prime)
(ID: 191965) 22946540465108024195965908421926132930745830647491405296501817019200835139848962192601968295521045567557013342365937053950609055947350327801569972403189664374756752395833595029039947669856145803708957256094756769828880752835069434104074062326019428584352325497903595282355361030169842027166133342807612301783888019084079292291613638516969962829779045327398753059399658616758109688848589943070192732672706373409771228581299140505303293839018763970796517085742504886474574052089247024666749500973946832635816048417612824337007379375504503012079547838826707262838170920857084850769217506024451959364957673685866786816451006758040558214133057083094924628175556078772863454969326209687832907196649074843707457763128900994058413417 (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.