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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 #1100000009060931541 1,943 digits created 2026-08-09

Value

89520902036594699841362240103604544464942045064485250922773317301360756205029863378839573837664960608322954846495593004759163466950972338116625371824423082442562780315824279748895214285260933486613539477706119021794954287346382456306919736945103455840285428310353883347425795444497178918778435881288068450282462730901734145714745972647205679967038743028889292686913930452073042754720383075066467330233329883555225795935683721923732431363998955282135106043239721796230397555780466244517973047852938219349920066831870916410688217930453307446499527521447466096249007029302076337390428164563350959970157094671291120619291451374953891839778141795543257132423662438915357982412836672305422419138373933943438548818253657518355265424432136021128068717601168948513161904149997301058678787382461018717777555422136809762700607960354501039938076649407950705636986263934304736920433603458055253855323357256545332046531982160441015744438253599276004667352242185329496713154656038573900689219672636985881180897480425202368266282822269615050938815896105788929744358004023071420934711903744241524283975096853309821609550119090227980504419460671528011437235691690741659066752901407487580728781196660559358963723076266602777925406798462461437410896752714545457443641643783976227651768634526536395462178345068698127273762358282685119251308391100740253616008525106037703147236839018286628576974589908835689202245067794160859827372801692855839781655371596102097591493874147099111028311251006923246125801700598497326232936760508121056513386526911017596747659169205390123352178831206549629840425282012212683392076835570509141212737214402728848901107614498261745340799737489647462493430143947837556796554025473262809328967479439608240597088305219345414721807582501324702184939811506457217813862357774885235333005901439349671190132266196096915249109711049824175323145013800718000858004334101213454643385475819835490338498749679175494937741267675736314092640272342720901
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 45 of the certificate chain of a 2,465-digit prime (202 intermediate primes).

Certified number2,465-digit prime
Certificatedownload
Certificate chainshow step 45 of 202

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060931541 --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":1100000009060931541},"decimal":true,"detail":2}}'