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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 #1100000008753399216 2,174 digits created 2026-04-14

Value

47012107219037658353261886098032800421439436748233939154743881455257581758791594054843956467012271595602867395070396070190431733913214627423406194063061308596794295985360936285460149744259596148995274694135567722762519121531574756374874462034771416307104824899028892625329498097055778627999863027161404215793175312087880245398355460207879783281760009845608656709004821142037913689876565957722938691366861301411619575447266515476172678173500818755748543945048903442685689778635304599180697102484438682957604773766576481324536903721781678775925481834489382852579688316767257232862994042426312524237840179974637204435230419029271136797581807431918681127734508582737119039870038510151150626797402037436478223751375728807235647489794977552414035236172570767137625283090719973836134707866102638386434065937713286240866161248630533979115235739654154597420867605820179100972742472830823084686536572674181492250831106335442008433325173923799831955471778323267928201139184503572564535902223523902199426575505294137108682753552414054153413063077247185844917245856869788618633809450307265587368361391560913332804250892282116050188139054021302472495633176664897746379366439704151441481525839903889100046484843418372342559438999662635193823881486978066878601874134539813072330434131001821986157142235368442370108468612247085282406163648842857444631263329259408597610042722392407100596596739212007440581046869292229494710675301168316134059054608350144786398189255189943221843156742396100241921096043905390624197739485311471082586635529137411795897012332825747797815057625945050815165532479740302869220928663763915744743472828371976113376628975271753354276249261329792341423713629369565583793246012467142450196826373994939259188609643145465570316989743579432493337799170207593698955426635860344359704658166293527315386310303220492241574417544748799570329386404454319056892901108573327326463269746360331534998142297624328058100181507080052318550900372042558194301009745532103891045884841551595436081186398048654860320625578376655241555030450954020354428567515945828510972996757162371849203887078734642321991823515074445227178998943512993166876026018002151123338657989137273089934492092802983
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 49 of the certificate chain of a 2,746-digit prime (208 intermediate primes).

Certified number2,746-digit prime
Certificatedownload
Certificate chainshow step 49 of 208

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008753399216 --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":1100000008753399216},"decimal":true,"detail":2}}'