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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 #1100000008680828439 1,813 digits created 2026-03-12

Value

1416890025933328830942433384273673144442070351883439089255305680219140670653463517093353410306504580713306771564196045112712066250747677560175098970842120542799895231700314655004338052292645873413694367156470451489008877652981289075124541005908467234409565280280580162003900839091704205192438361169732060188343187032973926794789827641644145485109246813639702379539090919900461364747898403914924612249579759665328196705854305563742165324245250095826474187002802970930085323559966525940925402704641946744454198033738773950715557393509966866858518781416653475428193192351705174672986055017433515939205584799231557045735963934326969946733312124303869507787960787280544505733829719210579367611116631547663859597978628754852184120665122889234415797013594128705277034357969089824242417710992902767412439566444627017240718085467734490114676580966929089124515137976655021031491823746900203389488978743500397304674920288168098724046259922180665289109261456887083438973865174551875263733552715150037387806118375588365130833926766447978791290216705778899646330240537567891752908476426701257916577027883064020220351514908332273063491665248778166884303647293040589781409530786160741486373811350666220597904180802520298775476741586668477840780845054765051439830205085853729322464801481419508966346003004554116093990062431445606516613118939953671955276993699752662997726036130147276000070542624988153121831327383035096746132558384948179360171638777855856404869913412322337244307809764402370163577912215624572236778019153877391609693986781234487149040664833751317597660994259505567823259762767635105466769722109356962098685200167082489938388343774829662127940431461840332250986481190444092144261983841803398777401114632477132797597878335839776274700221778411226448878100803370420584848681525043513050534300676203202066227982208823
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 2,694-digit prime (164 intermediate primes).

Certified number2,694-digit prime
Certificatedownload
Certificate chainshow step 56 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008680828439 --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":1100000008680828439},"decimal":true,"detail":2}}'