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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 #1100000010597897507 2,025 digits created 2026-10-06

Value

128930470077274448487268376754063153887284638249232511170885500836558630632043785845402974884697132550686993221733419813666498490126499328324941990306581656628500662868367317188282864684834516280296070066293115159649915760205514930620336691393841146121409727246843839998218450717198767192368245358684016635281168879650196882631802431580346865106216341762708403496352778471529013187274807724917207801503579005005942766689240695910530149561327230529032402761162925503915921274031366972012102494541796274497286825229161655193224265780643456111220677576656414588188341521682132212866994835904583984738514377157401368413066969643408917004743875961387119233274096070956402018210287000604333700980796156314903809441286831821035668742012777071074910630823981325041420913411646967451953756739424689193981774613089155978392506585631932079422914124282159700095582735177721731453922804288920383215364538514552226615979126412340587976478523682292857821511894808073867173179985247158273491256575332646419667680679976254726834823726507702821773332919323600106507581978757059016871966018974353677113240762233127124138070819346871630932551338825532716212897121185612726700238407502103650348330680239552278225482241032703066259578794859660480829000220879880685985162159993167769275294163251830611927395824852952584622033772833133874886212778526716101252944301604007529946129141189569668909783439446978085840132325597643029977524324837626530020327000797769981984214228368336298473514244564282402687420374116389616436051776834961214572577297919012200301578215183898378826386050075783513471580952066403916825541269672575936059407781622684848461594968672459339353455217724778617780762847251205564574219445722547394227477909689977456210001636261244006035395653890029675847111535602076591731393860163207115281174723664420707827590689949212329378104896703833764612295729794879984697757032888587120311911021033978915043882519692265583118390586378327285504203014736641621652051489741244711887409136482482667254495249967164299087133750416470867909718623
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 86 of the certificate chain of a 3,195-digit prime (230 intermediate primes).

Certified number3,195-digit prime
Certificatedownload
Certificate chainshow step 86 of 230

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000010597897507 --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":1100000010597897507},"decimal":true,"detail":2}}'