Factor Info

ID 157035
Size 1280 digits / 4250 bits
Status composite
Value 16419681759612284216883628707891398883928811041901462734886282339211572301120029352697567104286961561374497776521516616367234868974974634148841767852227130439427368072359228178318067264394834830653553214714457450787907499391783329392208698514157836474648295560443459545788474992466450979857931326694798403118566795495665729359869957584470479136166222732415193214940124067459403400027930490504305643704843150590716047603677010429384715283277055726011469716887777923019155537546727262543848068374890233979634160145973108453169427358452643002641109657807122361711791998320084451873922954118276007983734328946110946840261640667070495886359412617739036500050116593868609361393197008347811005374926815699871569392226664437901562002854193784591558924640723379425437635458314437217792380671864936256362772292909057192972192683886566475314152579426456975871232039282192447682410430869455408098070417840125784588657462960279725923163649039928240952324974286956406629100693996994770380218061981749929139572269517143859083035488712077400458561534228570571769612399206223504111129930286473022330295886632747215452834750252527439742169493597390366352532134817435488138254846967345682911176725072056921757202940467836526417413761824470721979404718882127652443858873793577766726360319014809079219

Factorizations

Primary (ID: 155006) 37715904042481194672856981 (proven prime)
(ID: 157036) 435351668651983662640714718330351507155389925698593340948772958269508079706218999244192156302940490035782888167805741951536372739930254933084488392224099303652417732243263452629529141660276601382492942729652321627874277463637091415788991581511619405630308364486609891169157753076331601597038366181978767854029797191893687307827514279001452851542321545862545734345006083177833236174359090829740733955727498832082441836956018657909458028281246840884647385141492895405595198841071434998619183834016928108005949815363939083774962088490276091542534673129004911270386998712424333589570171068584353809759848167177737412020668320726632125294865965561745784735983699245040215554613675290421547595489810698645713586255265825247095992198966050903359155559559158600495491131792992035753231610465209317302703459595628624679154410965943252700936434483158125846637980181322931064958047271187401942448501486814437794957014170992816805806777051865062808943566693245195286324437003595237223480546117926114938357662857966715138123664981207753792033762923303593205020507124073581707408247961021148902980370414302014176305480367358333611866272704996789530578207044564816059258997848250809701412039022841771778681884126930160359960622502481318953451376669758133615236077340199 (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.