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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 #1100000008676426724 1,516 digits created 2026-03-10

Value

8582776602570334239322420208978878847314483938487672652945066857896634163476932937898070495884484184629346007044182595584372569425273768823670688187243878357330319645040646121099695418862565666495280936326004032805194119938067114673620851788139182125557989768498683607423043784783238687309324318722192114870996869658475423782754750968166982463000584341952199692990142528982887002004778699174213014399314393364301900365673778735374296913391532202817448928678457042399847195980709947852775865379990172845921335012308813187676438590017145648131697380971942931095740542790249632684974083510290601307703443538954631569107197933650136494028120755966105000221468835985385334345199251816136745367760681249563687999225082765346505415230814960574870261119101722339789374580612470058838407406375456660161791130613534973679460571437648372737359111242264358718417972751072339578610733018559655821650050697591807551413584528374785349391335915877189780489412167176989329499754561904967156091346218065175213484321061507743610537099413386206764100479101912591738940106482755803013928804565672022981924356519235335120250874367833980917029363351828699750619185531694986031441052325490253999928362678624396061070420100979723883634349272830275227373455402294790462193056008031333932007725526327965986261366830349003879345383668594563983829177508588447469250707638571385127350524872130896636037264495947024903975664207762899534794327754505664049965318673458512505413138038909638238260865140562836165708872269833848450931356381346766395641
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 1,743-digit prime (101 intermediate primes).

Certified number1,743-digit prime
Certificatedownload
Certificate chainshow step 15 of 101

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676426724 --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":1100000008676426724},"decimal":true,"detail":2}}'