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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 #1100000008859756830 1,874 digits created 2026-06-10

Value

38433865656618650012197982600571682334343036363167604360573307387821400737848128989458678997509978445219352821576376962425692052488220538783491643971285286879718528999102801919890960342800080733133711525945607657894563491908475139624512410106886540466363881634459586436930890338301492109920290392148920929909684230588203139094544041843525408156006493192400716825904454287243652386160957223006203206765076458283279691495867710823084576140290160162243621531460357237885335703229124873632717919470941820751905323430615171901772566953550721092472513735704815088365168180295275231454220346474542224908131791783832021377079236325374272875616676461117995259681989285086158996234220753510363424840632134233081348129789471480762709087466332398989194861159601330965774534932326019823928043581283399409907438321335050472163801439568616067814725997440255425202205012376598747860456134153503604247898826991931603919848962262698029288339642275775728116871959255679631033876551544158858084068359427810509063226361914601253394789433009771735718535582670742506241812283741579053355252201161257023145180678350534421738461617787599910363217435001401088694414963137469209174647128257378741703675920910463195990750191566179699460743262160595178685103931173837478293141761061119640836801397333299718704282345128520819827354453122941380328619220723871221041236181974519650126365068548625085341998941828605207633201420250925773745186605690518115195598773014661497155743570042708548609824063297680582906656965862393193474345857376858799870337755600061450408224553778492516058766338772399447538995182356789270166982086928945792480815299185357232571957403766459312924556686567723765402239598324740772605314949035548135118047670734116851211208540129688540226889178735984612406407225336379080709653914043814166647783213755722819761952054803695729592690244543082611052804790691715513640697300028466755211
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 97 of the certificate chain of a 3,239-digit prime (226 intermediate primes).

Certified number3,239-digit prime
Certificatedownload
Certificate chainshow step 97 of 226

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008859756830 --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":1100000008859756830},"decimal":true,"detail":2}}'