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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 #1100000009064579212 2,330 digits created 2026-08-09

Value

98705669747940576471375815415283768477030227606846370078010665157705902523595349622833929441496456249338851514836561080742327836600734177375129532861070825827927363463103010433816850978673361044251407303809306843317486278985944238096661698441972174092071345069739126459796112767745014495067554538988439496508896704960680577763622093205686468323882550281849546170628822925020077512686146630487911660328162818266498015256949093170231696923776252975410236965605597424858204358441786408557334769704118803717960796739580175476107548483583449564764565528389864064870921151291420050849229681352663825769204560007279912429537870875942362741740516229300599780059944487887440791839914330208875443513074459950816944516023632592415918587245290549127486089740639579418714449822071277364864888753324045306375902773950496086106390895388496261377614634344936221399235917092320806260156974556707532910870733566921504803341287550496644914381107184678943778862625625671628678064190746208697447782008318648377597206992366094431845959127078185430497750820204414597684216232803904209333138850354380420119346161780300512164194788803986967154782965046657126419761627422330228784835296083051819961879657262457836734388878108653100032825318648620430401678324912965839686450296205393331274879037420163705709221780990723712054157360994333336146759933749620723430042143496250711060599646055958160397000441369709406056820886632392683934262619111339829394160607762746249196678681982323049889043847657212913826950193305825578408120253243707156528015632760258760499389681126377814664717363153013726261223942697547098266545803115828768195709973244847121424205508795838661915841552774188738694390177558211178204743479087069772388632647494959293675494169086824385326410478830397542652380818260351305597078319904120331948031747896597890025252560100522949753070219014402385527834912297804047681723282478781375617095306650024641225392803228306478125572351645865307573885960777547222175627218416225023370223007937871611085115923178271047225584188389019212770006150122246012833117992896535187640201457539348982058628733575231701585088239222678126080785814177503728764160021358499634019774069561383604880780591279961288778086756986871559960440973158241340885686089377302403743967604096560468791294591941274504633357703610591836253607973790824010792889788035933640911211687
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 2,573-digit prime (194 intermediate primes).

Certified number2,573-digit prime
Certificatedownload
Certificate chainshow step 19 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009064579212 --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":1100000009064579212},"decimal":true,"detail":2}}'