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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 #1100000008677861570 1,616 digits created 2026-03-11

Value

11681829266716519051121150777592773677093454992865180643402569134801481896772948769143236931881617507085547314411225064282976186887318879196219225415089629691068138490831813023481880643021079525195893834426131261743771981092281070481051820642930184430369796447304897093788717168917255112933084898996099947026940017019815956438465300631295309457414700622677369354590602426473034601645714787059057823492609860952820410806749175854295449309843304364478312639101547823244931479299693821785019395961925742047590038989677453337184680490498094525145300795895678738371991049852270086672911192974771200592792146377088906382970174810942890045938743088573926210031617351315908249557522818084857499515543056108669515742861704723737950807028071371214693130374310263343267828240612000042948832824586983406778244077226788316610716096630169309397985944765820549415285404288618059436328877727293321305820601329832335590592423443367212760239244638535528720503523728446316709452468605603133549526487405396672790521230747903783337608636812909140483980590486663010724771284034534653651475516550271189908875551646804234608783979597575498770417167826163776321858496277413428596477330941525330101327086353265472798946360996489534672825380465596388588334094566290535041253960320293667427044222259588145847878695870934622756774788010327702021778154026026245298300890636564688301133022716938435371772916551241374582538398195551775820546518612168353638784447033203340518648270625671510925311305102591393210371359124619441432591258913432217072673518182532075606916915120323643386450646816225205334107570067276837131557119954895995077767046417739
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 1,739-digit prime (176 intermediate primes).

Certified number1,739-digit prime
Certificatedownload
Certificate chainshow step 15 of 176

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008677861570 --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":1100000008677861570},"decimal":true,"detail":2}}'