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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000010596472336 2,655 digits created 2026-10-06

Value

249678490777844034594239741338018824468256234613227709795610630432014418997417243832157939612485344174766908834818491999326874569648343216673058497292214009355609802354910329701118387021220713416085094036766012070597721845992294147298274529755428925427102152626120406249140061678226373166103642281927496339026457359037729835636172196063414831242138604381283491766866041653424033353232907607341872433677094716110566913336405123306402753405592489545853285252896600131927733462919217843099607905444937516848067979206783851198191659544117887235239271022237494721758608676332958456514696332080307359739818203680290493269806674211046018097491298476332433692304758779825776332976491731887969023419774189574605232300054685245798267161832327521107307808766007913487390774429832406244066961263367877726273000985345525614432207605014914034698195008360072857693890518337901893254175876169181872533911588564327893975551401397296856115088615076345859886519455678076003759477839193190596434686457465277402834005556869374722756954532383608928021681807932614188184074618784608167795478851160384624694508258836071769047411104551969866729787390590882042415779147837267152980430705576906106799274326406762185084403940438871675219077175427861602145956298704069140829662996446942780003685591326085388774577089352489579415780777445662033722741213593903369107275950180601370435641546521290206090317865338707122260530615855699275059035939605643684298126595953628023114260409656267740815772765277286070712151561239072531672337041199002429354710830918908545318242897918798194405646232097438407424209872747070913854858846969866296152590594474742670170107953206716723792812599593332398184158592858257689944040090458920750062493756821878731349831662521196267187749656830623778833627742185494129017550706215194061498810288512610149995032277392756811012273035108552848164023526600810701335977901089561678457706591428408733388966129971873607920340119501387224839751240088657147479726104487052816376738104325883550097305153995910373312772870457543974223597089796126475797261795580670154274182743694218308437259465741322369554536356241806510950652341870238451733916672524199059309816615474176471629128452518859535227878000941888445109282497099131269606226530993434366085261467431692454189858280560501684482557670380842959501183836932877127570514865005199909809890265293698230832345647544845130758154851372626477786001669040013087897676320978036641668169674059835340165233495923677371804674277120160073569369950910959529668469334350487621522199645225397462114316090019534391586520709715779264097843203272770950056807756456778389449598016540452039936402195487060919269327807223485891359271609
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 42 of the certificate chain of a 3,195-digit prime (227 intermediate primes).

Certified number3,195-digit prime
Certificatedownload
Certificate chainshow step 42 of 227

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000010596472336 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000010596472336},"decimal":true,"detail":2}}'