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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 #1100000009059118951 1,531 digits created 2026-08-09

Value

1579801065735893126516278118837816410850669023877697880395810399909191087764115760642107532372494331284790246200556926365645011011331930460864739374986622509215359717542062078355577412968800363443219888428415361584354569757280972080336347493895283717770186725682590746511262528330254104365186404611227812341167966221904469014021690577956440166603381884246048263270413512159581476009289791382223989348535000658106133143270638832892098007615886403344346902604841950690829103329297561012440977214454948175750376361124679533695091853477202226867498780881864164211643317046279782940965841296327599889613349653625489529102104933652115069465011838340531022543963734336882135095042296000667053183372140857358144977392907418925077245280467444489561116627422737254171231510967106639763639293425233960123185546676410851276428561170575367235153126361888268250269411557190418204258483319783578035373538924679665390430913708167559092094787946486719830370301509552935987556501078601612055390413385590393365749966251150173456632995636534429798672528579221688897706871873143895532698033252108280723200487640298454957879675683781532047428089477819026279878697251336796104725933669641895569924461958812981284234304225219119091475531196231658822814565534792960931152216859834679638469980252267387546525087546549315625670729233433430619628745003473068612969598086154454571726729678858774228217562031694525933836648499610081948332072575978065012674006927651014280859988223194210651285275883333358429473922527651822753112246112638048774273501218015516363
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 2,365-digit prime (182 intermediate primes).

Certified number2,365-digit prime
Certificatedownload
Certificate chainshow step 65 of 182

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059118951 --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":1100000009059118951},"decimal":true,"detail":2}}'