Factor Info

ID 100128
Size 825 digits / 2740 bits
Status composite
Value 528712118622163836354514924451222576566044583836890327179316991941186193309005984425077139053481413290118272794774313450331742318160974944243817452981288872977693219049086282927703326237054125364856245405446092939974353010137348264664309792410391633533483236968379643291532380362251474007421985747161494405425489127833396866556986424829088739946357831025356181356619201637309731499611437062071422268284956538962055095409058155285283602864187979403401524138579306157539028673718720505394401037768927672068081301688024499468787684086720738374136284005659280278215946444056426439114156397186837552567645992325704336337331447419389809126005512476856963225551932228164737542605244526886694237586774175798845302249171853388876036555466526156774899132692723430733344612677077634675665747214794836582550512120394090167478730611772681

Factorizations

Primary (ID: 70552) 8388017164299528473137529640945135276336333707655875659563939090886233451999 (proven prime)
(ID: 100129) 63031835565672193334638400061537815679626797393968725509231104235319165177722984630748737459483275364902894629231677383736905593604565868280585509191276530101128469085908842917221817596715748177525892047202707543905528640695423518046298353378427015397013028791018412973849432564350692590170288924023277594205089085589147997362811213433487300616469359339344669823663935921808366781990820931028507910523361088487091576805206918946630478563854701184985361238314125342755929473753705901516598790188039244104990154229532259949208205699650976849587973450940616312596102661895408502141631569844236261848893841709933731787413316827446567046794335488209046536309938067608886296633702538174058375411500137635409986573557236611032050446086012234962288439415319 (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.