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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 #1100000009030656425 1,674 digits created 2026-08-01

Value

383557358932215316886101398526838901329547932412737440334133646492024071241417572938641171698990666127153620429777969061999909589024393928756596735416325293132189425224138030589801211432371982166856998209191701641993694597386388254460427308137044000717598132491276701059899049754866534409849146943241205198226818328867416154495473539817255225477471810574550655202566239381979189270680333532881052552640161008997654295456178089843572244350868706021831887652021491365602662003489408094968998479860425067590802716762067245817504719591585251044234822954119000125772011839839225440639496180995733303147817106903328954682771350952232388034935849722748017333165592737203784629067755332803265703428962120675522369319079492646409342045035532028546502481353598778936657109527531940516878032399266276458881671200993939440201732820669230502966533147751953452803715469901695947107712377849401728016589385068638711877259257667857570607518172799217305529497426464796202296675740043397640024867744410472891883910051816841350798219501750427237669398304636959572558788004607694682146355340000472495372333258214838075420454201442776933231434908215018047855262157265763689710535757395676738670044001714469127855566664673473552083621845544309662016294983132107252465873568356148941822517094668794973811618827382581733351184101546791009113050013433844443111533326507235134616332665908146349899806702008645123165449661768488324000361794365826658164425695489834223709009822968585977032718716968388281849672067715738614276216807136788551028249502786515163611959814071987877559457038914132900650785436098045818804899730810885016262744732529783281860119773868711695767121180789892150307299048131549333
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 2,776-digit prime (208 intermediate primes).

Certified number2,776-digit prime
Certificatedownload
Certificate chainshow step 90 of 208

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009030656425 --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":1100000009030656425},"decimal":true,"detail":2}}'