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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 #1100000009062571258 1,677 digits created 2026-08-09

Value

706548411791656972107722580889428955618939962214771824471627283098038429623679917673078016316004188481387600128263931691981846162482439456767751585295875540202812876977768830450782963951504991268332413811563873464709303981396796882664520445319370826609284956810353897775741103786458305632182302360301835468888622441658051181970310147005588756375766201781497475708914773926169398992271649795722766693519277297168558902011321599928700523659820821399355019098279230837525648608312509076858111111218436942144572962122807030937944438604405116439677882317018733248426511212020740105947194345511350975348332485607831656442379545539284854035053625841648375368150074358240523804387621559094348422156268511628724681272056280162681935923779156114612368139995731096303969301831882296281695248086031484129906748001673737088584647485589471771077172670012931380457890567309356550106656332623049851129066753273665166663008644007472519347986083841639967899261231752335262111299408096813642431617349695423255467633552645691187948020260183960777558657920314645557722726124990162704007554355951599933175459594163434196409418273844238324240635600522590688981834581893242418468837318739699556958432134117585209030343291226767727656587725260059365195683607588586016264291850883237070560947669621948357104523416299745068907900699959525223492692720983707205955138628070347961315815599977596380151647539292249416533170035032195295203628937647509817963360916760944853007604877855647564784030389994457713320198015588876285863694225810747819042972800091535782259987808531709995783154400684047006657693030601770764919385267660701832693766330462203355215330203442997935148569614592120868277394435312218524119
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 73 of the certificate chain of a 2,621-digit prime (191 intermediate primes).

Certified number2,621-digit prime
Certificatedownload
Certificate chainshow step 73 of 191

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009062571258 --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":1100000009062571258},"decimal":true,"detail":2}}'