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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 #1100000009053030022 1,556 digits created 2026-08-07

Value

25821697038890147474546472209367322388507725502937640219014592047045776113829128668328840254096086045061972706360765762128671939797293435936250086083254465659806063644266908579663467403328339830435411561540349461114119367043970756921342197755270874235930507721351932022251741406840130069953021114264930045492379887823936569149525549278599959148729434571083170038476668919017193683602773977990537329218465071699585182372216826756954943733564692293094627256874742466888640515579934687164960925432185350840385754264237545971135555551292505321598347417986226909039252240503582642045544546445302804590498171692067079034016808675878072610860218962557405217014352278829118929966407034542964991893950164684650547767459975357237780502842008721017932663133429503642820829779880865624930331842333008344090374690671885841352178061725819709428497934998425035012589097466450744400830243043884468623231064334857325379437126618483534263161661763109466805110532079777147333936236736709718293138488448783308607447704034988833943162897056065344249017185518257886616921273419159376319276827103795696443206791491367811527628581640835191061459622586772343544910040089316373532583691587118807106821837942799186716160215165117367893888928188255935055228873465629093424660187993444663887897750994823881871025392455849531531918220600097832816658030839833064812411519586763975729914682284854349471117070959714917331764787182881135918140002789604635615154379966981807819560023192063328048265912461906521604208616225788511046321026141433455844877759631157449594760902700544744898610453
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 97 of the certificate chain of a 2,848-digit prime (207 intermediate primes).

Certified number2,848-digit prime
Certificatedownload
Certificate chainshow step 97 of 207

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053030022 --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":1100000009053030022},"decimal":true,"detail":2}}'