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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 #1100000008793018581 3,766 digits created 2026-05-07

Value

1800426407034618672831760931685707293520734466143619422659304319685582870613179455778248648368067132740632151756692561882273915161572940324221329182255776614792590881856795352630632393156347966760933112133490847848558784442621619633646808114963133606070522338551614276997344773953524784393147546744421133182053046744520599444015157892895837083234432938098795998033144804478247787782905603463467921696322192345746247795482359741995750663232238216155177116533383000822384381437655976500067265935788182639485623510953203420278922980771266328696315992550560063237347423719185292563052645378175421699434263235924470448184223470743572615220731300327139258565460748806683341060599367962525410133550304525072992722671478598609525429917130948704349241475549872238910064906053039148866780605765880763988216519382395942294184706648083636755576173704120476438688929509422740105753109717678094670862549351283384259285632870531241181989624909270812303770014234065478283368521163764539403239167905300960982136742199083735732854087646494314879420708182071433103246170630437044816072791164563449549252633371517331099846077007775923691699225689190547940496640840770545258856884804171078392478542500909701870345062952054451369571724028024317133116999224824447660798475630105675230959800406363768490576102594230340535843277600388391428180289283632242544179778682084801734588020532466075072373219306926488686274967737231148987713038637176735958195062599740334945429254480076369998132712359544614262675743882174291864766347345922591262762350939326328332679132242506545713698995433550339969306306052706846732282743046828070214927937000332000282202979859350760141531978886409301809533989343965368151579390529940446265629182654455267223794073724081653632037546730899330646226505048400969989790535206229654177698727675675856502258555367303835339709724712532681379038997803379079514668627354006720213063409517107857094516030705648038393134247955422546940227730499466466221358602183005075431814910644833865692927153224443122855584824729178818385386491984778545042715316721048494663624761935116164482187479407749748063569291754816550601478298303998680951465762247582706671633337870997624903017612502368223537626253482469799618832010717168979373137191782884258040220190911082768005408575936302396204084927623026969535089515483309486121124818489740691189917514819430012511396540396812144630579076143946276879188230384021344855591153415893954842516127606226473068835826443745334962501994922835496796643301897378022012024947378866176729626033939789927675009931309099664001567711314904861584195122446519436097505808127691938725408151924497444594967454344815642198603432372785422104082639638834773207028674855893260534857379621911648587478006484569209960001255531854609102895184880778656426951734839707703498233738262889596834599629375304405407108216115377299612988633495604339960894942150483136255389090253310155407755843846284261502901450751367850059880592879774420158831888172769030743532292697142006628756255022688097525516407735895036609425618742471924233851257653442302201046024413043708918489564840722737243096908654863577465358865920983164869961222132819852067310868778521529630431891105521913209313548961396034899620589347884590932681674288219497923236779909486849095726788627748959952502875343821234135393910079905590761054517827650855339598673083071021854369037193664832428277388444819536414970665906281678511266799412750094418341053712178123702436570530721140899345572368847459000121392477038319816893557156359073939411654438842512255073625440610207375871275844020494428001371407122741329952062999856085856276426039639656479101971576648017624333243402128858243651465377000963454911875152051631646181222797382491931366330503492896151343185379241358576338862097058601182835099502870217265913
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 135 of the certificate chain of a 5,735-digit prime (368 intermediate primes).

Certified number5,735-digit prime
Certificatedownload
Certificate chainshow step 135 of 368

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008793018581 --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":1100000008793018581},"decimal":true,"detail":2}}'