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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 #1100000009063857413 1,959 digits created 2026-08-09

Value

107498727496978300254144538625552310583101949423114874596730948098280668315680837498913584197777267404790355816965097149738320295895575413719719722291496915136685978086236602139139099519434567067526180342237498939694522300621102845711922844173595778358687177253157037943579510527724073645697083264834341024957469438150952923366528801156882843336192534807463134623320459002572264983948366847567697803977163541683000422351158405381457687136708560235145316787395244099456338448201534866760336710253902888895520977305258756740763492050871706462707904152215505096953430588766069125603109491699686133053719388945745845765179789470081919575087165735538816227083827210737004469863297393366665379598711293817196440260620374489532432154000453609275599171511678037349273754258216211384256254486026577713778809360447703786501262517989909232734220169678450925640520933513233034458931957520123667276090002309921476794782621818770688712866235851335861033265088904189820185465775309550992749505680852928776734691196474123027466682822310924485090304815771464741349348830872731157558933225932973126072836617398326722001557668728080632448331812392613068818214723760378265768009726383325435750519538227136688630979890011904068861677988879471065176582815698564916862814400548890002748437299737882973307291096183008566543052995446123670588146080393490547482356615443293576979310515656301764284558465102301019500300121474748616040188291428622321247014060328890967368968626050919333788144776467156774249550379566324907453747701733348024031950846002470415396936448082213171018104938067962139496125632353144261480018096283835817059882775691989582302091879495120150910394682547726629998218045835990436013099358623502974487617258794726390395937517937988420657018384815628323258208370777264603225103484459365214128107185771472883329884566409932409808059464339599364503817399401918857225491167951313095508314852563393507590150510778966592843847104698096739012211647048861829708357758643601
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 2,571-digit prime (190 intermediate primes).

Certified number2,571-digit prime
Certificatedownload
Certificate chainshow step 48 of 190

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063857413 --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":1100000009063857413},"decimal":true,"detail":2}}'