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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 #1100000004868279893 1,940 digits created 2023-10-25

Value

25383332165449274593349157877137454361092405905757316606026446206521799230255533526081589339850809783045798191329583849357435499063720630369806185052147503060960367653638283903634375919627608180336842469342875102533802088862301555941768986864277658739181453729387484829537659206287273705258185742288133892428876706479652400860916949185270409154078042742377679544322035911325397842824839533368118820980212662879315151471380475200672463261905900306299407809007764957690615033690519401416493817640761699108130597293524387219061516269367290831764660211161766891588439989542378934570393414476190648956438898318810151050294327376904578239488581296713330902219399905036966170558005061999955872797967847942494232519731434200604783233880321487829460934771133329394323005830209066727441822824096833268794422033097587100559450901986947063785542636500805893971123067338112130426281365069114604890456375732544687008911347031556148376081790395557798329257938453154013078061235571884912204328672645718530406568620457836333706166544848863992715242430631648951131378728531284616998815436371563507796771697111823188949441029570388963642435449795670880427159727497999648950898907093861067618988784552488810439635727194752187141806645993240197223397233956375355841759590470846120327461275322893520160064506436004265063764874570708544515826419287636658439214857277862119867271492910527230250147916273670179691574170699010972804363471139034670484235225439320152000729362739406650565782011664106612371229508069694063272926654413054123595882701054520907578753560381810142911684013169483246842324062159197234330539420912780280370292895841363296378022985538338571608137916390574017608555687377677594294327589285772788698177038466650705294929925349203790011372459659218347893141816400756191437745637574420139791811274233294538712946506336859162933981807583866813537547084931415130440674783421676969273417990410390937250127070478426161159915768887774692155460813889943
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 84 of the certificate chain of a 2,706-digit prime (296 intermediate primes).

Certified number2,706-digit prime
Certificatedownload
Certificate chainshow step 84 of 296

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004868279893 --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":1100000004868279893},"decimal":true,"detail":2}}'