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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 #1100000009074403836 1,863 digits created 2026-08-11

Value

118226699194590485400261149925557807071215786790864624943964472839974708967758599103194868011679186771843878616167358194792193142095669275459204755182862507484427141669792735885627877347442409456874864864274758179625058370564580236303252384332651884253909918805265704886729386987362583557336013436492208629294789475420718219248404229336340752239455229777454712891937318823639857856764004821158783486053839232937620408529070931388122564972902263739726856263399688643348397722250884561723333036590804129668146641482324184977355958500541362554509157916802577986029389658588858538602493474835036220543994323077316630806273831734112898587406175331076521884587928094337236972213236153052328824215915519358344563897666662114751618324097730030887142544452798502920095940935383938091335748492768736742377124930532581587354258513436986342523797597316711430219706087962690949596324199915258866929259782973304710633972314202892977631802776240938605212557846114184403567738513477091374624464450584647654023681944656827593097185843553589829611398301173903243545805178512833327551428239621261431173627776328534936762366210540940996269240917694807764974899082659477039904680755846697075527852610991607510811143435630368049079132858182615282224023096452844398981225037948352224753280208843358169456197755693132460734669609146514930665180968223090118186139286407938120397351454969253383017830725470217251545773265734039287374890193793699869918743855958034205699350255558396267163423200164917812787889072600376850266245124328353781630913239136548504331026473813969195987099594180496900247413835093118551469807356605926860416749366197089102367323812344437883239164238571435615551420751647031554054856281837913708956839723749531744934726201838442780005042558303591878981202546700307461054447447503332992629808903518432529282265213912829040341921690780971546801905610427971259706638723
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 25 of the certificate chain of a 2,125-digit prime (156 intermediate primes).

Certified number2,125-digit prime
Certificatedownload
Certificate chainshow step 25 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074403836 --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":1100000009074403836},"decimal":true,"detail":2}}'