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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 #1100000009055629695 2,418 digits created 2026-08-08

Value

187765890164915512890609201633685289096098962581480745454946003477259873593425908479911941491958312013884035750465871827888733678108256261721833391258325268736777523863572287593762556316075177458409060520242946732779736719939777616128497835780705653159214857154200794905329578680901982517345545273838736355450425473872711563673339432981053211895529824705468678799399524973231727780943800488729190321935693927338413954848248378301213387964254639869830579465948150769850840787969691270404562749249572866235373110863569564713005057785693504524886613435521398571957575380575274297216120266430206951919104181058180321300594561149757447848526864442611531104552240975340779105212960225897096143538660999577184890621791221060512227602256916038383620841125637261551926968650689033112211644676296435967899644006394696584849427211544470111847105794133065232961585561808085033986601795563678623896663439367834655397891451680803931891053688766719567038067609688553899567660537028341935890854273962349339861489721154879166834540056717828603008683324005022062371139862210102172462083457139628199325498957311153684127648000106445326472054456092852987592413016341062263405199437033238919541032862527106579315543588308171246859670245833300089790314908702595740303883838620046529088617462053300929793855650235181636144320012755618291495038106003087857747866233616171445105364331866934175659052376985328424406312816482549417245497350053387804766544455890635592959607351846542345799881969712285529657161013093635141225117156223843895981386523214477026451337096833632184431456578184316312903356078454339162855520534587904279380183368698612195212357828826665226237476551371048952671992533518959080610870442722876247844927731888816762995842870308265660723879975486014471706207344218652281172702726242586997705411051990718080381124096509730480062682337617521646628267150149120643593338221306518824129447746744942169282643652264075190179421174283636923458254851286706586809482203079735155323811997437582474302311494408956412252724339647168688422678016512568109320180259530322646818731343954875483210039930842173637070027245563969422968671299232528154851393834706797259552020414749759784074936387945452437757657924275348676094212840567830849161316098650829143756813157670492239442520168147885661336447652187744412179969404390939211627223028397177383696515863521724270867927843099864121079143945591941295119793568722689476232581335708289726547743
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 2,592-digit prime (204 intermediate primes).

Certified number2,592-digit prime
Certificatedownload
Certificate chainshow step 17 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055629695 --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":1100000009055629695},"decimal":true,"detail":2}}'