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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 #1100000008678210690 1,216 digits created 2026-03-11

Value

3498167559831787291493706809452016892825514419797729199642736012548830290897047327551172297152747621808450813178585275911585917920126311261907772017188355056776944503508977813489049297679478866204497159572370364329711924772698573980731859463933041372171148553980816627851876305557066320768855930698879618991706290137728226793413239598376847736353057972328956803682290262942572717812529030426349090503293693553763071746186542832494775699589340695038148156851216061638269375209600846197769226378370476964711425901065438990221370011064673860505520056438681181279634188066017400255066757621117921129710590294421056567769408958170471222367934726815129767720381434156266725562750124130351495454578257567148354879598188991459854128708656120509199259602652033238182295982364768608502121480538805645808794146694150929277892106919287775675459262605877631616207993363557701226931176720085541491945671173161458324624733534211347561985072301633653085425370590540447122025607468263185889950381660935122320263923510549613061940704879157743098654430643247079080532558468947709066995407329735199823515064421117612372837741228493037758620798129127855818434792563688739197602640564662010775857302542042244817203358488098902645025411679
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 58 of the certificate chain of a 1,843-digit prime (185 intermediate primes).

Certified number1,843-digit prime
Certificatedownload
Certificate chainshow step 58 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678210690 --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":1100000008678210690},"decimal":true,"detail":2}}'