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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 #1100000008678210496 1,766 digits created 2026-03-11

Value

49295733171320610869859406148755654990111556050184501363056305771027557429908229907146450080500514494634391675200254627658017137926617383652944078905529822481245946454245952141403671745735440502084835511748610100784854453219006305740972105273166316075546559191317265024762162984704131244154553114173150326365409247865585218655495650838362202168214592376596651811534253136282201213530014197287412287682498055541756876645059707684939996928581646563185397742814527722460549170322694634271887539933802754453411701279420506527389786742838015334887415883672049726756268890160738314190237425941871930951051283741696181657341297773772365243256323598070546917086022879920539177028078430237748654857490192942701738807041965363073310647315233445802357216281153437069923917620772703792831718509774263307347485690206269069187566541696606129728883803592965712664367795560599124053506001778734867474149983068835156857329322519912883551566351218625273739895740372622291935979480341472569362624986503790730632357796808743903780665566968670819106884502466376400732742095704140135149966671957060906284019293016991753946763342547857222735844937472102372951432173849271171878584422344790668638614141348406046789751356451738876973229977606098835307891145791491684675993474122066505623642005125666807653904216751188686415547899630538423592263300476071609068642952310671852737174043367805243930139809037094437095657353966622893787680974609659915069378948859964642425144268153241393978942219644523285014568170153424629347181602031330013157593260158638639761684991876500945534238424717141960440062215612793428758821702177188415941604135471850322867122676413800684901704842190376158645748996947778934964222168496681889061044243621875259243280289705039724839028456144513572875988925550157019159
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 1,843-digit prime (185 intermediate primes).

Certified number1,843-digit prime
Certificatedownload
Certificate chainshow step 8 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678210496 --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":1100000008678210496},"decimal":true,"detail":2}}'