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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 #1100000009055780699 2,268 digits created 2026-08-08

Value

154787469906586399899343125525011587199049752333246551100317523347666042815077513785848009487799328066839939381335627513481321089053230765049276846581344146627007615880910296186117387603113726087380340914854877002956410815991049091019060409532057685900374869341888236459860028629938761729502535429227755866933351700513028890854130359471957066127308041220471679876140560244349895191818802402666586693658814065230351188836846491051378978256051517481490021214816743893176493553644391972424570833873457404438997439580235777029892074186557133447200844768137879383983981214176660096256580884036519077455547577134230393180180772516722487863730590138841721571961097831900060352292286730895581855931722258849813853122520093879421120048418863155574227698398756835642703668441106255950833012326474665321933821156955486392727559421080243083181095140506917041116376543726653502106336130186837687033882869284292643768796971784968565048583030156539385791172605867448889939307654376464243921169339442354241582901717456022770204104313948735115119146718796817962301599708136606735803737785947115864132271742391265716544030014178131400898607363399880149798489277522327847484314291136260684365739237119979584516141799763782280644869918591416453597323200742185465119692587837279624061087626839890535211139274098001075739355433693474014689565690455396239360844382878914694163392639548454239393165579166277840829277932329372429376511020720479265672204030495704634820153049060257661788537216321248877374010502336776505584705648786245029995146612316762787804522108449804821754619648461528020144908002521380067217273041638486496860142089375558159912790209212702573556197403750123435112852485272461042161263148166786466243098793322903756989666450109134902520025023753976559065094868929290999479390802615569097072172501538597477026904564184627364484128106285669657698966276175293702698830552042697058678567868850122364640770797257724927736127143481286046354049189582412622470299412752121498015670266834912325751035098209492361573237959012875272746070378794036103544040007777282664890505611368891831261701432044342903509924942103499421676085061545216203009502795902955883628377799723368813729146393757120497797543139216403986617000140173403696920026447837503364177130641397137477643365075218578633
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 2,321-digit prime (178 intermediate primes).

Certified number2,321-digit prime
Certificatedownload
Certificate chainshow step 6 of 178

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055780699 --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":1100000009055780699},"decimal":true,"detail":2}}'