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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 #1100000009063327617 2,120 digits created 2026-08-09

Value

39975304505677341462284886125784917178785428657953715768571580148122667472995225721987757186036640087106591802483995911045188982405999694668886097404030723732802832330304146712442146189199300817017531694564973045145840829359850010680623761756380334438067634980121102943044301503230663780796691126144214687269864723996128033489369334700450096493050930291716610250638884271223336393459321612335543875593002783090822197847151377372936136741445566063193583567688191798945659591335001770972738970850499184078143987358318578700656461188890329035822166586211714340658513354996123019182617557139588034116972710957376855450589266470032469524413855956925196218781260804776486678278805892388924876375107067386809543018015127090161675310031098644314743490984927280031198393534562032358208248238419301602714402608180244251817556460524769995915242713967353962520352056359040765306047570368259796622239179977106726277001223475033868788598527982592382458453931393581267834944578528193859865468654514218643620011972133096204596664204451544705973490657247448942790616809791019046354824003352181577333201720834626053834252996356982733104684995765959710197047596405627381301076218754864793377812483719044304242446564229283215777447171122032053429538374064243978515444917841911031156774511062310496500249832443534591378154825557215460241743947180233485054161614836157558728045860878065364527618946716528681395921066275895132426941465333023288210100341432145724980863376739756453613151033449434656041026018149389654106094363672344474148635182366690650262011165299381568297592950122369903713309424962694380381491216099664600750645536742162061175111173630614312064564729486068778928262246276300685200871990908037895991886408168609727497290723295749535224391288925369692964986336667756856735865418524339964454806987793965227441037843247648310506526796081111693766306947273075420429835554260399225316038145880337519487299560039870877878263662517621202684397805049402917196996738710505817412082701306732653577875937508896391167753702384232725078888706518030531318689899991367667700502580407343744835896993268367613373018307616495540478452816230169
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 35 of the certificate chain of a 2,570-digit prime (192 intermediate primes).

Certified number2,570-digit prime
Certificatedownload
Certificate chainshow step 35 of 192

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063327617 --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":1100000009063327617},"decimal":true,"detail":2}}'