factordbrpc · fdb
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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 #1100000008678210578 1,550 digits created 2026-03-11

Value

68224868997448565003025489229972130951190223975558150578511244648465576016874903064127815525827197049776226805356594567717121431242233143936972999620226876445068490840620766238253943390402872396653885417797132837535842994552932999804602779854656701153055959315468700859307557254309007815045731459476444944620139101724060632443593026650639342100740155446169534733073408115810686935311216041036927452235927595826792843407513269922528867547988111012600819284450157764955586938252325532532480348432749830007450274063291575492411890275949077028220422210522266188187873889048605293974119791240559914604104996471865515524358095468538093268619813750397189926722481948488695208571868902633070967060890701712711930667081992548334301557958771286184616557710091008757690670934601906656186832104529574960412487939200241208240800325401692468507833840585343193447490960163899141057657181879195105148115342527197190823888387437729199052652057841902653578521795348606774744046740331607093473032188754318217487577950600599016208377968118498818634700381969127757977032760571988155074822828331531936672118335059078282953318211685358718854123765757147867775583245636746177399967613824019600783277133685376075976518705420286871179778763839848650787475524736868102987716921668742653587643819901401009775387035769322040714403733491254812353259752933709810498833247629960592868466344721946924952289216786186606660192748004173799931425975158101476525164005962499147966873875637607367343615240770507723595144857979223298768178318700110539616198089035311369914380558364154327257
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 31 of the certificate chain of a 1,843-digit prime (185 intermediate primes).

Certified number1,843-digit prime
Certificatedownload
Certificate chainshow step 31 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678210578 --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":1100000008678210578},"decimal":true,"detail":2}}'