Factor Info

ID 25668
Size 827 digits / 2747 bits
Status composite
Value 81978262447259141390937132583618764545247401779355240492640285199863915473976503089510232881568923363376301129963427544545665453531547109317495426954471366997965244211730828343623646200719390045436374752253513609372297539609717960995729777659824944157238887856623103014105616036319176484562853579105747186396053148665595083056617361725451166959362725752644934770757440454731171864020219365193521685492118554874037864588748104545081245108373593910513650356479262339632811444656376742368439789989798314895338685279248795105548878538757640020892848452521438584438264814940991655647748575240731403752895552987522974202675357090254379153703655073867718624057912962969436216582738896084343401606896577364549842555057866327480529683004063766197690146576119248611934210462688695111877088347194845783331065974879713261579405693048730169

Factorizations

Primary (ID: 3102) 20597276734348736647 (proven prime)
(ID: 25669) 3980053455831339751609211377269674125805922844768000328164896678545776038083841783954152974917944006936035675096096406107560500093674477654623728167448209611951796241060572614477209479397898366542116299997411055157363518071447150870880239338508420486601690735669052596145860343921746331249409378021384641904987475823965596390999775232553255278655249544885376417233985116959497121445232581408038845885068087123479508838190180994227153438998101780023544218423235364967139287287584943419238991717772207974841983067387171493629236457160443870436399221712459334727548461185046276844573946875152031706256091021117293694396799567394509551528533795668630065575456854509884222427896571465107963626943370883599240208869936330161249579301794733005689083553071176874791088665820229398927841682987892649821550499278008127 (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.