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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 #1100000009067365955 2,075 digits created 2026-08-10

Value

10268727590317153666686778112714524261436021166769262639677593325447108318892496947322678280774466832767748517529308952587232244082032996264263458391656213121235240788923999789242143927498750453282549385483812524611680244555266196689773428553179039596391759843919455701830865207135170307317481445445958753008026539430389032924693045614251563031298021813364208855302697350513684813452544287431985113974755014363756313422252897505376536139955284488535876801876294990332090869756962527379623734610562218413409927424102238298305555019219423463306632594766870867245382053083065128559972279083773882278571235260362978932203547060442527819319773499636356822588504997142620382905814346030452589409358841072397899861946024177753566552112357877082872709775932120621568707297464091685760152880973095012280909481849513580166777623833914031374523574214423993536462884060599747507505054851362092562174727727173078384754590716148064595859334511529492557318026916941371199448547489012084878478630389006586996616606379036034960554243060062125054401034353699372196446947561825896135640708186461480768540987434918554398384125256125495741998580790163647425171417091415740168440129983188550732045619933085270341944460301737802551662981182922082755074319849992194786050286967565611105979233314592572763465159811397825425238729246530250068133981383097610216906860396395307924546476053066386465785319216327074713375261607911717131336242079768352828304220941569605950691600061139328546270479527655142903191400836550101144080578289123069152372467989535861178678392098400843688826392162051364456050953649454227401639905044223972493746081456197212944758052871702488786313544605171412014944539182698423232776328218850083436853325200664426456128267403406379456386948671477277863353639865951618258843116166918336747170974578777253640502370351842143061389245217665234108292969698300677618385391011360747977710246341503885041406910747423805549639728018716501196180861483175581269580540428399714241755198136232319070718706821037776210384471400947873934781236376093099191683071854927436669278634156168015269571
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 64 of the certificate chain of a 2,925-digit prime (209 intermediate primes).

Certified number2,925-digit prime
Certificatedownload
Certificate chainshow step 64 of 209

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009067365955 --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":1100000009067365955},"decimal":true,"detail":2}}'