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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 #1100000009075740541 1,041 digits created 2026-08-11

Value

769242241964320464486291397480974412345738553402009339898376100612202160373629023315157301233665476472011747814091659211971799566541001705021761122740569717139626920216572745905270497808294088730231606421827788310788941798250984648100600936681670430723442954765761209361279488999116307277053515918504364142865321024675266822250562175946673239357199925926263894184711979725083459855854270944658188911567855322692177325792963069734002966521972113541901615393982716425827210998486539513624479875908975198500260422019852463772758488664042851111285417873181972590738397874738095266883889408976850894535872696555457237873977048999111854173844998389770456682155312516005126503301180267958962994285506696569236908065529818025713479263862857383170961116987424068574396891965274866355340375024517866363277465011531407493192493639971624635424901702941522356796899154656929723734148689179979149670369047186554666904508824689721727552977553277267295471848461400253967272754461758263079985484085535343603277464844118333379266398753516847221154611468024931
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 85 of the certificate chain of a 2,131-digit prime (159 intermediate primes).

Certified number2,131-digit prime
Certificatedownload
Certificate chainshow step 85 of 159

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075740541 --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":1100000009075740541},"decimal":true,"detail":2}}'