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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 #1100000008680031196 1,816 digits created 2026-03-12

Value

7571900111333651082987905253921908955454599850902613763188040567788182749646263616140362202796872689218160990437543413272524758444489176542326171578562322253450764183552823491579715266237120247847094068355363410750886525050497364052973201316413556347156907943085219529153133505706921137820999778000540719146245045385182481046639813429737103949896192040897036158730926185239100255817624039948463451204365952426323829037655222992015387461928177056911380026400579881705710205935391927988948919983351921319254323174265495661582512620127534576466655475988041841300739365104356800014093679247131405192053974600052719746345809215922705524103623763837373077563840134872772008318123992751710487749259747553880384016659609123745381070221930800918063894436479065484393320035711845822469890569079820193244415482932607376013604106214281234386279480835934077263396148795431806512294765654695192088912323016066458083776030154178104447143649146574286345919681489988011152484295118761104064716268285598221298024261658430951291284064022211471698655587837868025281920626881599903424323521655949034026281893301717666253812889864538000170843101409977050168579762558040902523279148486922642812514098794826083182670965819926358011470830523598568755620753219079487079125750354889606236823774746601651023105530728228386842964052610811163894429639956989180850615033399651714984469103874748388144786961022360725447267043612427117833372739471305600085730792724835738605700009541798099425409803412096850236664455550695994452274676507978816421975307370151905155553449827869789838954617987590061357903814298944176834104819584696386263752189394003294645295352889966604118561835339670106305826241999925149658156640836219529013440855302413671062081927517137987602155495501073306231004980812958083533623478934457107151756998988370551939783674498992659
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 18 of the certificate chain of a 1,975-digit prime (206 intermediate primes).

Certified number1,975-digit prime
Certificatedownload
Certificate chainshow step 18 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008680031196 --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":1100000008680031196},"decimal":true,"detail":2}}'