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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 #1100000008677674091 1,607 digits created 2026-03-10

Value

55288858555238804759215663951775909199038880155669797186330206390399077940689896308630783904499582816718546765160756658280278816139438888421241019416012280375687748710998262370484625184325517167204033195190796550083229740887036916256795448898006772998225927258551098386467700069117116562510040552250280681301589139374411446663024611202845326165404477789302282032410647924992541218439847208161250694868367193401728240272955733802260727266471276801986738453412106714018526151997477696398226716205465415540247525288668045865252108607291570674204736830677043010675112964109211115545555622613634497826267233315338540539837759432621667010892731033832724097015304147719128928854604568483056738667911346086373986474108948715867388939554931964655663826428757185594144922896193754368961153116493111483225292487148724055827405477236849837071831216488715643581773527770994803700514532517966538732724967169431971984220026509131194595780589934994882832072271816743104568582959193409777114619155234555702437036125052087443761942125480125509776804700704959456533484764751926795571497115449256011068010643623839605792853458897027855591086383696001212179523816812006620232019209913598580833835533751691706402339640857662838934291635151756947089971468818161563254896307378064828029918790783181763271064234884322493946639933735003055760820172707606660907426623161259446722185794744931816852860172906988963510357005131841693944085642997248538918797702850910230046266070629481033339185089164223439617718030029533052306289294531589332160718994698780991121254840476796491876887152035385349307381217141905567867819770769148262703229
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 11 of the certificate chain of a 1,690-digit prime (177 intermediate primes).

Certified number1,690-digit prime
Certificatedownload
Certificate chainshow step 11 of 177

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008677674091 --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":1100000008677674091},"decimal":true,"detail":2}}'