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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 #1100000008805742301 4,290 digits created 2026-05-14

Value

247123664510741861762626792213946511529610888906962123131547185525389210713265514951287534523560435879327577306333280792306821418335223843396224350750089889290577479328876453965742495909800411933682225312084976666447820648929449957557241954066978353716061715855022734372863097924036829429112266511895349009383916033037131082301682108761366605165630160712760209390875920761175072714734124514311253686590718706986796115866018607497821239215779992496595972982704269240161616914059458627968270417251227051407640904275366554729366691937900863901943048373201299960182825727790705242966246673253537168978227040111768093283886194126553867002519953193103591886698845520745062748003467295307076125682238086395504732046040009918569904022911331783943702333193198178310074761578200799356812997658307517333857404495315523566964207165293076789298862323884814200445705771156906735045321114655242912109202134896557035556801863065164608923012942240050011432669774372318310582460338752439013010130546253739967538830696775665197273491723968248238795342133488572662167291878139881090135003656223980521501316696978645629571992948224674711320670193901531756572551889219008780083492302332538007898250838733085117188904882713837769169994485222610369383587329308191352474267044585221443483910302662264105363729640935036984950889510438686187205082617039104190303034221105414915115258209823354564214193434114011864676034359276976458903813561187645342526746550905359814114958451130865955126674081270164047991205038807093175951656098303987923587870644152033341147413841556611408416537473979043505347892766470316374685634667671237190909792052639814568817824269064064384495167988008433292358556279906331925464271717263624189201246772205346510399745996101787503341696331172476208916331199544891790250156057722059498799241136550659074427290810506413571866355781139876312130636465677476700456772053558488678346896952313051582376622421503248874842080334206695479022151161345553075946219832534233113386746730395709045769044760799424745564583450702779325303444628436211526582045663989196609222262774943871082506088288865340736249130045812666931006874034153455212076169539209654919180389347153982881018443599897328798852566226418437743769153300059276346122432349498929236576220607623083267510337959724383640062694007491133835342642743138193833753711459648570740476225854288117083651069091395012896220885002248338917286066291882701676179298874934440481210066703386337083294496500876735506527873234289464636461885058207383151476467754331504731271532569342448047590909256089826358914438531021659054969818470954019758513426178052359676922655624956764773105900340337844239698907196521198473265445844022421687335382805366414918870167895859967980106988295738325919226662963375750208751255265116722951328248267021635199772228793948270042264711401338872156965317469337546596488102207335911143111297874529942811026674210743704172137271111120776504064408915708977056656505445569014425383155437613931258997401726003909274905804153913888896014100909124914815413599040531863652589539614146173756043364697624237124436501783324209147725971370748527786607532676790741234884667042226547570015663595170729358198731043319448751460253218798910737735436493449625660153112320872181214867811234094587782257019975600190345941083683029781010270386936354017412287053677071748305171076922193479807175033954659611091411627176068409577584124665163357830921328009139393732290773244902055085366253810262965576061307384836168672458649203133591468470324082980898787153152750616161318079600500370023330056966456394308601415767471841063366905580564541922585569215245876764905204851109773670239012147260666162158615798571102168774688309822376700088558497730329290697144385147108703451538108391302003142578158932881501753063002698871062985371095645617145340698402808136604120386644207784851274731735746603147754060893616738629344006650006067492583072465793368016093118483024623633376960690866070397639087107436039324869719924734621954513701467671935563796413733789180747930847896826891250162114539917883155893762199202085651578417402598872410952855595169280496235349896075435189763414180479549377573047261350657772287193005353755388713962092023134059170636827651520283051212796134709696283777858007028098530449288934343292269025782789192410870130958925905236000155629
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 4,479-digit prime (285 intermediate primes).

Certified number4,479-digit prime
Certificatedownload
Certificate chainshow step 14 of 285

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008805742301 --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":1100000008805742301},"decimal":true,"detail":2}}'