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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 #1100000007785055576 1,231 digits created 2025-01-11

Value

5117862764666150563810780007167922964129753760504491890679393944545566027770162389432072171712849076361115873341026288586346316761910300488410396093362733178184777324829915159909135195641921309892313503357671371317399386001871960223797905016405417109624140318441094938954877618695490311027311874817126082610792744437616227560097019690644768027136243300949266144369412264555285389572959553250973098545941439709583558356932245020277702339702640078729443581502327586620416073883358268696461524386910860676774000237974657287636116326965519024991920462618457207932588173040479577705231586960281391143166550310659819878761858751726429204709122105239376911235889524009368317285786375787061964468162483672924512406036239549675715099133164701721693362872073308131016589669717026222095978440724373544956676843170459402003470956338774104839150470079009076621432038357593584649017582258485010497443384905484481372175256996006047251620682870623288111219676280568995411844205057222882628326842950626865297487426337075238669619702264681752729786008152882372084271526313709418505984358312584822173195466303592885984770209588388906289255047018300626028975172636622854849916610231969097810482904620488948729693190666364157851968678299873330193904721
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 55 of the certificate chain of a 1,878-digit prime (145 intermediate primes).

Certified number1,878-digit prime
Certificatedownload
Certificate chainshow step 55 of 145

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000007785055576 --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":1100000007785055576},"decimal":true,"detail":2}}'