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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 #1100000008859756820 1,897 digits created 2026-06-10

Value

5870316343439933830175449840508269769554375054829719084434426098272591535282751946505941739563287782456557815148278118965543472393129108965013409390099878192536455381659212540018687504795156576881393974008274474520358845832826780034862472144991300781938792926266352254062981577806009766149232034656806700203284374472270284444077561230413398117746736343021336013543002692243579426936798504428040646252918371919262664841491239338625470513975280977488599163495237645058395451464546516980221164170188519674419353893963746614243023430551938433527879719257587611666216635420349244880675434988814861683246329647665185650844609460098553756342458752537585441019916243748115350571280725514227665377142569743691629785941427847654095059715911976631961322047073418938757872339304531003713895631452815644887276237008172941720312792954843396212589907940047860949668102103973346143410075528434278866965418493050749477598010574546148656138944276620172766621845134988601867678788266290128665932668120076795536575911193710526388074276725360835597749030654465824998553811051595717764879333190945240927961131288112109359228528691304102113186081012978536347437071522229554502318023784879089603414770283518223345334225269906571210682984652388231029698469693451628271861094255917845080418970568661552143596698844500026149504578398687267938270553489621414185733795321380853410506887372713244074700750554556747904299616382000855593370813928617354054295822878189883601313742596965715571025248086847692541309877472489108663751311467562750873934026079438696885276260087894740957740908646469329535296446804766290898974732654769037069459582495061428224083524399670663424238957541331577090610540802874573652699342520480823539517904847028060472451810639916871121796702752274321600519666900569921604340613799394996066444295354508139179450857346693177351154686067764599287668080186661104031610244824575953270605039304258312547021783
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 94 of the certificate chain of a 3,239-digit prime (226 intermediate primes).

Certified number3,239-digit prime
Certificatedownload
Certificate chainshow step 94 of 226

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008859756820 --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":1100000008859756820},"decimal":true,"detail":2}}'