factordbrpc · fdb
Sign in
>
?

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 #1100000008674973055 2,639 digits created 2026-03-09

Value

68539199687590290365667047240045611260546602455051152544844188976195444725876350442750851210211053340194063441311539821303971854313049976513414961674906656107537255904588162525282855122100278392391049900513047488651985700498549783088105400320586133691612467264102045333025534398267388571017375186567564488391808088202793209132358934903187589276551596713729062464610259051640314095076143821333392681027916185735756075658624111898932000589004075357843671835613647807640100988229441885817606569676710608594921086180449572087517101373075470346197904797446286313733090367108890149790594611185246425871690608356712423535819081139081777795421747855182775673256422814276899105777296818199594197109364524891455993893050785638273169904911746390193477761876945426886001825568485623691081436780939698370090631763700295553009233852687405512866702002686561333060842062278882874612059518948094929132432178747083574755052631404680062941218306511523450374781272484314046245987424189156796479014678260406546847474423182980905713012069050599022654789360227472670416272575747054640786152723249193066711207470420372488859052068915315001831238492355735477183022525082799236790934292194640652435661178636267288710565517324877812352940616822335888653961278332712236630113623359578490060508280349842499376735605535137741243358176954814004544987406031203711335725798353861994645485509711887438609066042150976119038226523772590770519712320938173200657292270996609800430247461786995167726895888220999225973766306369778115363524268601599189941603127670550668591935309127084173726488365892935133714474993234138013974029705288845241880326493247836284652292136510107568282689394398095252070735095807300266435875933420844596999587158833391609329730726984308986771116256606941800726840712746049681948871444026797321694976969146679472912054166625704631382294314665421344440408041126281499369153104524730259579622372939606394097579381388286418208904710884715889309880754192151144226219090063498097158105809969651640983071899902096536524601699307210082389982502777770781436961194249148835284923520397456454130844555570971145221037034865847410964998278464026160904862403914744879064534337506977447608079165654000778567765102212303633659125861926997697779384222383324387696706676710442519038833196650324305067002543226903019317433691235966079015381561860847564013971022556135002553070623135632903503896020743862125765071059129824492394467751852715343342765472839705972711959888943791766717192222771355447308486811604499746853193166372234482464441507425276125084901193834826405257501795292228034088501985337820009810381269191373199187095903738008896442569705157058675003093022711
term 391^1018+390
Permalink
Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,639 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byFredOnCyc

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008674973055 --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":1100000008674973055},"decimal":true,"detail":2}}'