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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 #1100000008859756744 2,497 digits created 2026-06-10

Value

3484606559242018113296112758981728192396309083447688049065088442029422941946656672502169828580444278805194545744162513430909862088279082016797544440723661656045120101214415414095002188864701680165566945403412343393949284728342003433910487216177012506830242728518290115788741507981933468603204005930952022858962331362289822710223825247648687623142213536305559270353344777206802316065681775605639841755731902959050816310548011687616492370477599054693043636668093094593286826779414407766260371208994069635873155826547534537844447832420402183730748936919097159194037555146082504584395637652131082830673611044114350761050758329170045785734437393840983682231259186969737177732733655156934510402409568344067884878811280310294699983636347354405490900116352618088380632352665089867303030034823291735787912116399821518021271629777135718854212304487342403336668839960561661851439499087047099599729044652280561626636311571486804896153874000953969242023803838589568390567079873694625804263461259801869476042516617151017058086741612187192629807059589881342918771766420944611279823013156043337429821188470815708197019612312288462621622631233934315317493360147123277812193125451204759896318975647116554506362097676188894543033774618488329071929614845186689737987643120452848102580191299957665150289039026469552088127226645542936578809398315571151811959480795015524907977505751843686679340477577188620756601751249268259410705594276694207179497541820836736955860480749801903611757968878964018571350317952194017254831912362540554295498582522978485701591635731880137949095244198237852510679794567630745342953055957821411462779412671113458805288209954542311592908614668854908835888319952181767001707260713275872207609651460820346678883391729606813615842721843839366278568051979071783238662940825542430763265390672270433177365599955755914185818762447536419368535840578673363916472375963487423845921007823697776067215366948011207597786262656938111662132638769055768153005272027499207637960515724220756717663162172599342584745198907329378638660691293058095839908610518764327768890879032205518207688275032700684879525128660871172391545690746020865745878305158806841431974982038412957614192363411413578645146845301035038078227353777204960372535652779642432617658077948850404880955582609733954123007808921270530134180406808818759434103645895190525762276713897745404278655980896429643467377386643673001794518931471114033122547137015898415288717910458200348532041285090675427956066851570310688330879174079591146643697385143611
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 3,239-digit prime (226 intermediate primes).

Certified number3,239-digit prime
Certificatedownload
Certificate chainshow step 53 of 226

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008859756744 --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":1100000008859756744},"decimal":true,"detail":2}}'