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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 #1100000004931003043 1,518 digits created 2023-10-25

Value

256260981365937374031304036394932558591353580784405498008958957489094278115975383783102267458695973399210602656590022392424385635174245177794463323904154310451282327806280507189099166320038932364807706745583946862488737995445638837660593930254148954327081917624121255160492919355229266800123298548167732474031722128688247351887912105927362355721128320130718350338500594846424480667342439349150676524550904239037515787762012814985247133825254108362327915267758992090173606902512944675588032322914888986713608698971916173674108252990057013097546590432159583938540103018301233164780669977357064248225854653816791622173268450555386523479493973838193830268243925256843081010862745738365875755410627135228105212964089316885195792616912757690066297186719774018448043698456976999810602874536195429889342636597418658190751722925094682898061898446031838562649127161101431104747004945242993614882086885816507492675277693311852202576301537993899896223735890199341701408725918947275269982690516122099269611437388058283851971400775492041892784936984643304178867779708878871750155161405037322382403509666551756808496861492438039158082778152957263248649180670470996348161321798841925301602505262870373793059705297067786379772876581626369462277996765122905956577060169025649216225267774210571389972441662714300439679637303750382422784670630114077690178984878394491239120643927167348415837477927642561395942569180899067205566341619234853330281827116546794152344483609166130877657016841086204315005736636218048434055725171061595868637719
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 1,790-digit prime (236 intermediate primes).

Certified number1,790-digit prime
Certificatedownload
Certificate chainshow step 30 of 236

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004931003043 --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":1100000004931003043},"decimal":true,"detail":2}}'