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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 #1100000009122750601 2,110 digits created 2026-08-30

Value

1858133588297065168079874974591710119659297960962194646505351054937656203664884219399292594462649360127435697306588229017872293361029612308388460720563928147941171750912849371183025160315063503731947815419600835732176353299211463215881729520895103079596179794057598723906859650202736290518317346372712676174021299655699439737723434918069843331710159946814105376671451330213852154928162119307257803319981624335927767637754405399767460404632876336614362163319812763897294530223387428359887295808635938000400474183058972581052167059528840094094153722983616687611985330312531104782783989313206312680564950896861965527028405106320269966690840105417272034363115606492627006193863091379047784107260276756125268989475433575190537684595160147532597617524202244560106044562285451219585135181756075652140917678580214274720585719220847613837603449272765156873652585470567415431512424286956129901987041213022055414541026314459136984506251197453635597665295442065776254240784121956421488189495227807652882503016483601044002464056265035311929765796083468737550089117788176162359731741102684318193344206176896514242713190524229097066976951288836975666995674144070735200240617792698566710109006022518306861903429637992816087997679997808796856582187881642492622278961216189668838987870780188684918210777824281263187516539604536276722084181775670029257507248619776632731498130678333661320854151259731072300393058443268419615224635530539642339425745827042054345869557103938076669358733251189648149197388735896767665734955089585037854676155727589913146363238865003428518044143446371498624570492246569833679465420379023954168243315365781711798531886849191786261693637318852863250417765017804999349491057372241364899008539229587467579302681840333170363593686090565337417797086873998079674993499244357893669136343391641100187666659643680013035493643033548821327689426732616450702214273420577519664039970048757505083807501063448330377157991562975949617424837418840368523104514201272295907323186089869893186691112909233792928777772802745755293213848019572885075671850852026747612815158938268899013072897682941320961049120757717170491033
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 2,256-digit prime (240 intermediate primes).

Certified number2,256-digit prime
Certificatedownload
Certificate chainshow step 14 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122750601 --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":1100000009122750601},"decimal":true,"detail":2}}'