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 #1100000009123228137 2,422 digits created 2026-08-30

Value

1957160640603455286871069178685678626824661995116472073768109471285304550033265032222322635376188311128823175845585454820665055129473843434377686514260900252764247108575170913666373498291285014653466106368417353529813060658072410599386070981328028641510730890677359220432323007112782433595631770896844328118209396327637637862297503781312067971697821825450695590984240560117715142118651938696967854223136769982861275187495518695918592610232901718522276424862243645556533471881165029909340635209171807881717896846176777104706376682928009888174895959651887658254185835043684375950420542666144378567400110157663994873695119741742147282410294615219632959967194733718569109362300782881032250151228760903695507978585515883046895637438252069415586720828667443194270801094283297553516185201929571202041539107524895160719824894248245257871754928774280756014735605335009094262022928328464033432203369298963845976738090439617144087589403195338255679483778127840018642941634672685366671538035349355073741243437851912600217454984788211821301551444958117340872542091741767865458775205842027038113840829108072165273305974710686050566888659525776121946663022055448206312758300656387106842771455180960650522160780257908588331758477767580244127577535306658377655275430638468054408353571058124830811504790094439027483048027631213474944660134745492770572173882519353934326444460200996855060009957233792334858877395573802163970011248590648183667217384656981307705358329431316784812084291971991733411180495872762762104012413795239056638870118521800120530474681190425328702178142356699388321704982290694034515087928365299449240631396284740470912035492505053134049698943596068286162125272632851517994076805177958657001268519771516489130650033087959394692194922647261664396055594255935335170439354631394046564272242946086221827500005187113737961852683847702066144278636636325589504748539907498775675519785074891295455713308788781411299648567417929009810702165356184636872271447778524568570018819660738319540334541754768428156331841964017337620761841133651854381327277378954128198040267616515447591401665012766583384180274671150310425065215379947945775614010110712456829273994269421704325204863554101662960233129918072870976819518287946861579497749619539666892997944560307288845288986836245952414083562266296846900100806733441369587678877812747065326075579140771680777025258448603642907445245925652843013852893714004570862903956149406592046981806499
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 61 of the certificate chain of a 3,079-digit prime (311 intermediate primes).

Certified number3,079-digit prime
Certificatedownload
Certificate chainshow step 61 of 311

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123228137 --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":1100000009123228137},"decimal":true,"detail":2}}'