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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 #1100000009123004703 2,849 digits created 2026-08-30

Value

61396164473532155710588364467974448235093120013383371001853020733847209769859959182388495685497093514683890155253818029899435513604264997006345082351409890407398832857048935196178789482126537874125294033612710127150469736880526451434680244831984557910028277001139519783109336486098562139971860830996120359725704177683495565791155014561046278444851924509206641447603230295656186779970030829052166652722018784705075642892369014938567803255263369774534320007501685544636521230208028556090293634301121870113239823009904095057358368985610691118909647957080342460323610983321846124436845298728158474803665771223724967035802966140342088557642960994327771824844734135863251378748855502599641831200901520604346632503585403072241783244440418448781793525129699142108796551063772089619982742879421827601111246351872690498721287037501877394093752135277257479960388141455606980678577895132592839383628176567339294797365991821302300228141805645982453134389036194540803516282196986711307470199976618810948880940098727085091873723963236785028835937721487191634375908332035282721675916926281797836027138826819745099614371773786939108436271693232872255981247860767134714461419383542458138002924836150791615884447581208182832764068231966596932108291199156716024837735565797584738159172179400185804719096894500879568541423447955485294710846894320561769129060171900392387311827919770086821443773577070158636783831712518328622473964237696313711587238335175629915184221652983177691489679396727356126044307423890769251465555801378269088912798462829845192459955702932940824237653850031848342392967519774420517076103653749144062482049224978300046001668687073820155174574298310389745415878205770561447494283881758659351824695465084094625037788851539441586893964632204328567063801478942494747683264606639229843138509686587398764248217343982788327979025982631030947443445752521113623594436472007998083136829133893516462648912202231021569646679801800672353491839006527841000122871765902802760555291278728575981060388037604784307323574257254694662478190059871040663183549075341427851143116096462299170921875003788483295720287094122826333057450078721354419655858986280495812713729158389587305865549466323057342246044104257797981128624835093989411382989770877425936557336845676752153020166355325249083840263518762710043514060380937997741619932456752246251565689885578723326417186817151167661806875332688829436343013479585882513918014279437936085204669678851113670415448346678003468628860450101630865346763467939430350434784960752601486436143983018580947613896719183512069526595540162097769059015375389976850847698517735801265321450341827223821941277148611131997438760046505623138570964306633123527245028152709862361245506598643234700177349491392709038630335120755542547529534360503877764723434223064316009624013487708606250371073913788043384376142056167140053440330266701701249595959
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 22 of the certificate chain of a 3,053-digit prime (315 intermediate primes).

Certified number3,053-digit prime
Certificatedownload
Certificate chainshow step 22 of 315

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123004703 --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":1100000009123004703},"decimal":true,"detail":2}}'