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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 #1100000008674982640 1,923 digits created 2026-03-09

Value

126524512171549571545899703053576505344219791875161722195263189876411339222683771375541032625169834636457301420744416366782810712805175041898136851204092405697057912278537122745583153939865227896999381180104629480064702023465679728017185897076367531805641968664700003900224182456432707594998985710509123678071191161337041315380695058540418161104541627432505064727346036232751914175450454702754958583523652900322235129896143792648385841389107301431603333194526361324175776683460436105215806511435295164228095802909324280392810838992236778739120228166863518255681057785228683347245991431018615025461384530274244967392171605664661996354883452768156906766859782006787971339025441190125991536460136234873320490138791775466654841286043595408867362113832319029680021420671631361691501645798595571456306684290106298118451835375526374587799031255579718455151009174722357906214380084261672501019471416578736546667451395650179943161825589146359269224737310833077428608162163553517377556759812389741359040979610073182364336182355944630439853693641161269816138403977505183888734521781755291870738210041957102889107583480874791677738636765006357315857747844283429052341886104705600138279871294808957181342417975574389262117921905141786236633934809727304708550895785748429982736586503191392867414455038550779233684197236693764277730613277729146412541888684243232883413230025018889340635407449319014500605485677791918875718031442006124109217958980442506421758332069955636712987027205193196241771338833612873855588157597858806948774027796965688995270451676497066718887664585337263952082273371849142421095904952502685560777625840388286644162687102428277471197131708317386963721647445770425069429384446555575609711457612211360634082607448332527307769161608686457780506900320369137028518899979059531114113961786638076817689192762237051209914204678942935567876307461048629005593370789389790090327883999125890834847041332977823913097381591797829
term 955^645+954
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (1,923 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byAnonymous

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008674982640 --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":1100000008674982640},"decimal":true,"detail":2}}'