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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 #1100000006886720014 1,997 digits created 2024-04-06

Value

19671544355859353380696453547811621731255128985303240413933730062853630114568030809740018711705658248129868154503818388666719852509610933300740383165633168052518367029240731101356917652620564297518170095822424603504209675900884272814218679544584717870418485810624083068693939565535817559888692222427150119395864843235388634735534322545929621362733302890552647170639717124663190159576539625169307924004133684786514305694158858070058666903322395808752057628121423972902857738603298338584177136413672552684899628639277096775504868867546955306650031481148221955449254615610585768494982631081201095175447569750514328420562246764817149704566758917871667364388339641055968951404548015687318120681258033534250718387582365402720571326270347718918421210597002525556067287352525307250052109722627515692261088109743426194789400587976942030976914768125977072979616686596627470970640818095677992352411405878960706302341489467986857721703933153719543771506167886131599513075269419077951133695864586945660763617466649584244499588889280649488998031084835965954461548262273789332713123817553183133285265226486590175749056945760622994749093643726964152724853106273994154178472324268226279231472602015826325311624026922472222893300564532321947512297585197506048585691429511787946868953558900861962354082177178940041337871205647552587923438768812352052062750130832784896226646984540270075919115789632106115611485589193021689354635618362336805740983891832317498386266293938334573471048650644128427240572635944396474547890408684111460989612234945033647202627820797032545999267368531507435111368728935223134828243452791531776384590390030508190243768158886262160667751317566486900453657056049026786385015241091189788449390967432687191305595247838008742768438260298379066661172121197831647468384503540166221453918389637029610700204711634356520965773384607293347499429373564069612219160256237877589454128534864293528049103201611046798626116931398151241742281701804359181009226456182189997970370112092196345292844543790421041
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 18 of the certificate chain of a 2,160-digit prime (229 intermediate primes).

Certified number2,160-digit prime
Certificatedownload
Certificate chainshow step 18 of 229

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000006886720014 --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":1100000006886720014},"decimal":true,"detail":2}}'