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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 #1100000008766977044 1,723 digits created 2026-04-21

Value

8459987730236777047289342737528642337356438970255934233052918873718555488538890783497894414076469550999948508896126540845163297921161296651669169740290324298960729506313505607292560826046564933321506236063802736228201730286222032353262326613223007989102593489033452629783555872466318712646328621241646138078877447165513127631347162776056680611411294822809251567713496602276220703783162487641391788779679486560769801093662890610220751490366158059062771349580471815556645756595745439810888772589230415817640240905778892435592980120140361703529792876146511592515304079208847107166774356676368669613197079704343499828989322941189565810448324688302355787467524755000466105047963838712241800816448013821414102299709827377613004634743687071998322199806473637988140194892932052527895200470018306285327062019777978022214933168999820876246254679736267352758682019148602308077643579261830410424908959688562557350136741165986005035499866293392382451966162939694318868909300154196926288142838897846340621530155405074882151247112333942042984810395648238576513961254780248757840624019998802772707515942172962797153326373585417574121692804557874895404349049550912720404641696972085334315458235367968406689154907914180838555805727463647722938593075413323140692441189262166960955966341347073920580457169674838850210784820253884503942796548776081453822992899044401473762082746056910179364212711269372199206302513594504343358537956890646249984689195036430143971032879661639643224778193138025964721506434708640635881723881856086285244071818888740472094053883992869308384303613295783643826969272317924399735766405545891446047076558959199798899005567673329765473888874191563962487106121598966375113340549457347273613193343537429277556647946157971
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 92 of the certificate chain of a 3,127-digit prime (189 intermediate primes).

Certified number3,127-digit prime
Certificatedownload
Certificate chainshow step 92 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766977044 --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":1100000008766977044},"decimal":true,"detail":2}}'