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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 #1100000009063796918 1,123 digits created 2026-08-09

Value

2501170575729319539817370069540451733335052048148326492629279715861653755313564200248271375042125887832034438430165735280061181656586125192562286829789075476771696716465421578442439476463835308992523046656287482374590211070392537498300789214538165005911437187362885758946254505985541556507065500587322944939450317582173709113275793353314225932435896919573371552832771552676738808486808603999961966826163386862814513980916640422705912404095818174756795561926177440314911013123380145396405457384652182721266018504831550557450665277893641135411950926923076340296298715226508919664389213992304164736421203031156660549905457885504551402907013120037842346520313707945672398163664169351414634484885766540075786160833010861992598831562442875542341382805794918143981450945818823238919082667756100812544918743173191738038633234055020022810907195022439391599457165423424169461900449734823511249509881534145739474996537969213200602518862019362183994255860643955099034389486053573583573488145937180259852006504861441704133019886039175507508459708825655417222272814656075085051827275357665584676944185597391099256390180757862556333196849
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 47 of the certificate chain of a 1,702-digit prime (136 intermediate primes).

Certified number1,702-digit prime
Certificatedownload
Certificate chainshow step 47 of 136

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063796918 --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":1100000009063796918},"decimal":true,"detail":2}}'