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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 #1100000008766976771 2,701 digits created 2026-04-21

Value

6646528045416172390245354538681156456655591149337335174422082707640515094058687578492614090144313568187586238456355865505965539244876425006837157972895851967344489036885482562578516684906910795207431383972649987275371063000705014094421220478424601802098579165428761337047964931968909555305199647754649811758253948863710983285348521768054777608472246920961404391965551106530161604744011729166347098206420095114907321239685059756897892040364523585280171008672422198144549280527749864334012720364452434101819462873101805078851353248607461156426508484744390466421829972058390212402409714116010569877308381521679138738441543112558111896431602514589949995009270760378349165956063562042266051920275574770497081841102838917156987550524674359673959972116806336773539568519103364221450067924758244392267979107656438287857249296228488137612062754418080247737528906179572017110935294271393567814911973006937171281489016046356425368506971107351775434834621117851589928759504036834898783585733752061579225955609563834327787404641424828015214174513403966607958773042323727289170438255482198780969558172664609350806857807961487864516067218989167160935406605349002615955187780905705561030538969326755770926498404186791042877371049786971819216410691481986108698161543046194680334471991221362751622765835597228371336184238400344839094469645570194365457183753141167648117312905976641074178067350142304485773838951301726140406260959675553414053790003036350786267722079797859042043825696156922929271650456758819147187989875680965208961436955320807928730681962744343281273760732646625370118668255154647233458653730480824403386143710856527093801405301107481550699521566263007449829015860288282968590429511779567155226510831378653839047010113760892705068117717771679414977392965792662474050638523780005077899228940623262535811040264098950739276850844891600096062959512774035222570864749124346521609557608051843340251713897050421948803286731446224056247701457724009515123263086545292115778873393740117759151462246518540228520981724607069637990455325377752527192417261158261599588174633883405787361614634130625979212412444445434656981220694907047843811960545219364159159965845108465580998924223220211105438555256858410527148664847120394680577229136055100188951775572291441590243823720824266553110794079105778344929878945820280137633457770675557722099467096064913673129768729887239225387655067017177549674052973930468168252393401407042707101998321226238451773162209841755185055528369781284614370849517384809428695509686563360232904359631916694376058984289649503339688190632332873493708904337808225539915769565217201437107715601070623084058834403387984190565497647483244432240448600312535174427941607609514865885062409913673129979
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 29 of the certificate chain of a 3,124-digit prime (188 intermediate primes).

Certified number3,124-digit prime
Certificatedownload
Certificate chainshow step 29 of 188

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766976771 --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":1100000008766976771},"decimal":true,"detail":2}}'