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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 #1100000008674994955 2,070 digits created 2026-03-09

Value

888123363301852222990002268725151247990090458745102798348467045791729825191911716623768276689253859901462223400542220994213602596986909213105434496920714742877872268132552797337672646497650309098755312293161735496550381185684389560574679622071235980628654142824994976667064288367649572600487511964777684013956169307596403778323933236938969986762087500833872417985617315688763303353975505696475137495393828528059175120897383348099519840862833504386632262195812418322617197565745103808398569119832532752728232163866915881598568080861602546353062750406228549489342978623043690914086285955814952974791156413144824190453679782188433683480048255940769559227592217946323461573552244087788447109130005303717434415077357641414339896761497366690467067894906271042990346265831953805791029654419739334650974168051536843513525618838387881000951786649348840817373075773603761061412013933311315240200080225437225770552415316584325860954342927790408451697388167934245431735226242913829008340787586067846581987974765359839390683739539780351297896674589627076648794002845861535937298752546726458471730816528320361879723409879780177547140056787188818673274028159291670611312482092184869161166682913857341084912765089567559581874488447471461712025764282946304732178108266203185417793702152632687926106796239184002730445093600099353162030141787643805444919568861890438328558507577463324867399097912168821330279825570578126102875731422539538254433614548326870963453742011745023867808867060590410467120010078884907066209299415664573877831596700553600570815370402701008088987484496288837031558557386851390039630041524294792941160964797491510969953578138283430887296663542874639895573415411256591063832361606145215746002895100992811289639923884819695966261290693479109709614708578269489241955642276616194882274493021031940259350978514588760427420644846042829777430098755774905671983362818870437707936302346860038249220931708111254672961080375604290090299877876029844994152511574166755191483168932804724521680828127596676475757311898751384947190835704184002390817361189058147063774972785231374249
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 58 of the certificate chain of a 2,984-digit prime (185 intermediate primes).

Certified number2,984-digit prime
Certificatedownload
Certificate chainshow step 58 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008674994955 --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":1100000008674994955},"decimal":true,"detail":2}}'