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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 #1100000009055089518 1,872 digits created 2026-08-08

Value

109646453750454416175088370241588060290660879788210748143016875438810448341972542641873792311379062953760810959452173777916774341783820350309949673156564943116846166538059876988087499732707739950391177465472842708200512929644279306600825793336787935994338722895681453394092765304575271592999134855735235745015827185638576679067840102718216978952075649397336246924922102797125518329548958451942243762985294231355894084271397027985707997372500561001669311713690721999747994015565900571976357427723656451077852153275436289291167254814032586050196387502589517716103820260131849146281282113955850949749999457558948854430652580016110236853792793902286277497206476178922046956708208541128981984176080225838211940752561801615390271926299290799307357448335813425464159614817592327192608289737167864246183395278055274864962300558126184386259568465053946009724182384714622968780629602463403399423429572354331433146060732670003950866583960053594709339983236690168626687924129811454962814889030643120899561222135424734793032495507460317307774262196847409188881577102575248652345530788993150669402476969027577952681412166106079825491006182858966800108483700886740982750982162418227894852492504690162573292944976288445742716284187939226166801517756625043485065026147516056449386324934537293397927971293214840634011604163407258646537457403985307892058880882121593166661962604571748935291872176931306433991934672811299049830400236555163621232237280198955096060937524646693715374220650117893515766674542597814810714563748924778912527598003200427015939808074240683287790826445270019464936458297776786421954616593136902229100594298619358116445328252088842919652142770396778497944103993834691427734126046949417024825786686500731722462730033234724547051579008439339124025102164757700928562085506073479236198231252122705617468907312418891205125584171351341875738696215142330493409898241488846777
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 57 of the certificate chain of a 2,523-digit prime (197 intermediate primes).

Certified number2,523-digit prime
Certificatedownload
Certificate chainshow step 57 of 197

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055089518 --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":1100000009055089518},"decimal":true,"detail":2}}'