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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 #1100000008931662661 2,377 digits created 2026-07-03

Value

1419398927288746146483281330228827864740706180007832448122854656953131075637440819582753169138604276925978140345223944173108613498870907555623747238847101973244988515826984811369935071199789468970471074337439884981881533661674532595063705074990377681117783157583045388969096025961949300869857507616412532442527264857556975977542107641942423948235161312962766219605555273652954061491557340334994515320859180458073061728628323689177908879403233794929789026935625479455290497415872548431492848177084985948163661673599150743204293797070718355664066547203083246384896961246081285132589837204733079637712900694221451736905216254174945941972638478359768697584930846341848089343925078114426569356144164830411475516547168188980853162473351887473943992579882880141288333123149948188943211237967614458370224586900145414455503347087454610548596100575956353748013822991723723955933258894584679940030340446163755492304679644380285507092071627744855051066528245990918518893179981210453715827280657638053573180429543121578775134680482366525043564913468335959497125733503377557563487896240493998599812038652818567943492871800125561475830251655827489479481768258349702420804361331126082071911843789794817532589963288055367572995387230782181204085427336642272162294253777384962591606537100231091004103645017462614807589062572931237640377861836288480262748449602697704582571715374343853885912272003270491896475410094857736331430666935652699217048545786650801985102466958697440476826987053810574281728334779264602381850426266772520490880470288180004451081252187331737833038400817823575946589907512404984995555087903075030413771531310295864868545922809814924528142774019447200593722092076907924034236256210231458512054939791248348191152014645010487704606220626333667091503340491726404160851489428569178589806380872238644662017747747510990019958352481119917537051779742073290414907482367129759349759737511934812911546465264273095258897165912343467892800170126058521188399742178674922514130096076784819658471593140897147957725369653004254216486232780685210434511062030069176089269123115212792536859936241362789246571953761656510652939519668121317442879585842336263334927748777957898096408069569165463149336253502397809009722631701861862343819304362214051369984861090658113642896910317864768237212416732479185499663351522640486523768079941925928076043386825555946310152601446372624432146910177522199517
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 64 of the certificate chain of a 3,198-digit prime (214 intermediate primes).

Certified number3,198-digit prime
Certificatedownload
Certificate chainshow step 64 of 214

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008931662661 --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":1100000008931662661},"decimal":true,"detail":2}}'