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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 #1100000008676154494 2,829 digits created 2026-03-10

Value

217271190290120955078227524817816008836469581592797040137962218215770145530279888105792948588111866708333988976789591225725818969261241019683921784203480430702569627124217708300127174707640776862065034111064412610393617621249784399468728895014591520286234360532074358299701665497911519143022919770038334177984173372379829836382765749128084509605572174702377785566757830681944581206351285635162254009946942137718056835212720681673106643327747004074858213868019142412754618292511643271034618050493491683443707990430367630599755053860813210591962407103555068978902702561832545627230333402667517138829083612059337303438068358048170311854168947405915610943282130004417775527112053667067481973595316684036397640007709378852871393052405253978211559780890828407868165741757413251612972491113688696253995625337111306574129845845738804266423670473923456993799092194620008807478918384824471193651396972133352024604661306686317685392989918282026141173465932643924955804292926482912983893346171231192464591503690536976330732521617202626213285779155821204081581632292677706399749168832189523450370169996282658690235262807949589395376954490651814222312812077212967806879784653387380497861677760671267182619993852257704536137401855502693079490677850010880802500986211417751351864658858076029034583836895067836816840515824048135555637955400334849526327063111443456900731602526415244255011854228594660969100821695039275798837543664502683356345986089556864852652918149818774845755663372801950229736608790017408108739129231614435611798082482063234043721585193063407717300100446451897007058928357174521195101355162990050209431493793247803179388615429829303871671223607683211918851726011409411507205020486687451842946172389661146468677166661325270311295674796608026511787037654804522133802877424818543745018089181697290684778420063685452383289975828732710435888192201926326217207039727550267024705952619942360338441865572831948441453107452504718045091311323326929032598976008122433396500096887794120025033796751047651022061812657236236169456507032575233479828179580801578237146243458042605915869626117541797051866113776548946617605670445896694833709068176103018415548232580779238819212263101801672948160400057622530449195476438894793676626160980480188918325692254017694411784631422138458965973557035897636005475956064654203327331998769527232803212992322697277014145953057978085308301975001020741342621564530315431302840179173044212350340675831723960998366252670659081065459136615828373752863083463331819096752143850832532958079705491808138930126346468037410461044309244400373903101338387022694321260656236896439441153263161249253383749318089129411826054001532797648660297670932606216489625103121739388186120271367872734184123565165078663961684922242488972318894122442977687056396278651769962885876605549700797427111541822912205529765007082398321510919
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 3 of the certificate chain of a 2,849-digit prime (193 intermediate primes).

Certified number2,849-digit prime
Certificatedownload
Certificate chainshow step 3 of 193

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676154494 --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":1100000008676154494},"decimal":true,"detail":2}}'