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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 #1100000008804738465 2,472 digits created 2026-05-13

Value

366656217440247676129590864578730539912097102306236364104268126180036937003205176291857588505273096868031032709210361951498211008176490984309589159900715224255923696766166256891424233895545536567085594983193767964240815002606465513027783400236583303014643746474884797533738595180705625747250600732871091058323348592896949102946507673861893516067892977159474546989877554787967579257756965676487683521665251438310140280222625868377438837776716325858705886526793493048913379456425343342659376809401773969298553638401841285309827253403704167811010560665179088881474136344256464256265201147918769128082850513885169064161335028224778988535117933489432585775602314935523409916654176184205124651257042090527003653391142586253260636244346126686473028369411634026627549556804184502704400284613862163092520506047395864381521580457465971862495777695511514021160149058922141939392920133323774807112855205805791772907051873920212576380648552154722896628582004326016236921091139458207992325029235054253728435178810381818673950302603874292542186055714108418344960376371137669975888020050472324664375897566439095493675180874865394179269774946801845295862510580383913681214256115262589570036007002124444564063947477146684714139741339089552941682614829562535760283501565551987879953793035149968474687726886961235279621448504677276935512518136237731462468607423312793470068619618384686852169744732265988085542286737575066359717082052990855097804762957013218023409496545038399890105095314108665960307795130187193240333697392907923536708104703418350919287881359315451565545738777982958013401620444546505493943048445849564114598479533850505544670310736838463596531035316887190950201629344789681214280149547936352228516189450733747393333857817539347989313191901833401557532438259694401588039337707976749212443357667837592113611709546540962058104212136721286868903997837666753463741381285647970330793752205388748882999114994121778690430940354407126778381910439968836313127571248131866480912348225965297145037103020390535655436502849466332791856634036469397234744518920065352972855976537539040703279581051728203527874176751242051093484325683876600369763756600768893285173427490700876458059300002478527814396583118386471574542510490677756761878127358042410798951557942801156738461505895238897846150525907153111618860319400874353208588979186751478623073580565282003192300883599168148063577618333778064864140015890872450742492464143791649430186387041197445490774121961374620539975336368223807629956781
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 111 of the certificate chain of a 4,113-digit prime (250 intermediate primes).

Certified number4,113-digit prime
Certificatedownload
Certificate chainshow step 111 of 250

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008804738465 --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":1100000008804738465},"decimal":true,"detail":2}}'