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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 #1100000008766977293 1,691 digits created 2026-04-21

Value

19358885613804549444550481324385402685969512765302333302225064382067610742108200125200158463055706537040786896543065426686497094732785219174861062011670844141691117896689222936633173413049892677446562359782588658066164087598760441070134454017729754213731545785532752663790201648392519914257773382261292796312066037346152017469506423216410655343587645832205654026861407331956462807836604301713817751284325112778151559274462797203879922197698743987990476647897098727147139213249979944641236477227511893664591946337267223157207791665720693455920485702947056354553995318837498800295812034732805742308067228936422146702913230317945413503873902627389671209015450048388555822726307218797997348067003996093491458522724749147624876514285964136102680767398401288622576954436349502505178671655313818166298870128379600646118578296634195426440418499523398185043687537427768750886346156514970062850181695448383990931072040437865955650723795674778087615202415132463111891425874221614707896469161562426179829520222104510010142923076801235102970330594499622388122174118554580757582009873559566326699695778548638895425059823782396715089791826704062509075888797368587857324831269888079144317786931151597119987849227126835512485030359301944270105902522879787069792161528843236980632187032005166041071632086716166853320391920890667089114097997518350569961722194064435253072559355759429703290033118399832179824569963875659756383599299846615869587247813098582452034787454422705957523897433194266646159813334485190278648584515800296549750943469268158122730176142142072551544430709096286748379425468109183141348106061290087123603999238499040800527726824575181025632014617804709750570545167998445504344809408663272321
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 96 of the certificate chain of a 3,124-digit prime (188 intermediate primes).

Certified number3,124-digit prime
Certificatedownload
Certificate chainshow step 96 of 188

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766977293 --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":1100000008766977293},"decimal":true,"detail":2}}'