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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 #1100000009070810601 1,674 digits created 2026-08-10

Value

242153652711062046822088747885530831726323089783527405747657611202520189871013893338483018551152360163470801380179782769249938206515397415090564703546628827775750993332097230651167231381230187021401636629270013954755937184515208771891137949247498519439742690530235941985635947586605540614339258320853307207819981640649589820419067935757742869432294706592516645989854257131633096217151051380637158048143249937630061818090443700430891641922197488893243834534795800331164262302346893065120619886842342156105028172651636351285388409975010918940122383901037414406349501776661657843425810308186742362482188723345746623407368304221220449483248835895933176568363716786173479026283841767448866235454998350246511888810820301006855118533036223519345776505636703931891207764313009890552195007441193101624024351297718247028660224990410740276280959580590537019423785353003886382962553158380869926783595036433231122306405192664255233702174804442464209701519681158168860546023008677875494819798316267169565022817915620817977192519522472419325370922025157590855439990003586336741266648886577850627812364496528795466665177259744879184575118049914796151124967697321572695358160495909161455207248280605604406496995114832959912913484848208738984091110931301249294644087821047867407408708545849838304885248176348889096576866705605841236425682635899421510321134399170508092846468520740282599312513627496677517095051722971270849111634538097335004695583285395658277925611109605843582698920290218746759447288015166852763694326313691010952515902564558378311727550989156092388361821096731290123610889756704030342801695389117437735069628415940772403929775808520735443080054626964840373129369350056728467
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 1,778-digit prime (144 intermediate primes).

Certified number1,778-digit prime
Certificatedownload
Certificate chainshow step 8 of 144

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009070810601 --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":1100000009070810601},"decimal":true,"detail":2}}'