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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 #1100000008678593286 1,085 digits created 2026-03-11

Value

88336086526454999549909715030193954111791040513254317047232719006400937978627317269187739661260560517534201577164287468534262783743712954566723311156125842375503035816998257785600122042309289547539100458166333450800714572689221427001662973494692181271626206766450821463267895127915252387271790859361357900384707061231637530169849733389371453915714643045290396587245025378464570034090759555418870622713963416179159464653076357862729610789480637733405459772496732808430663129353570939769472135795254453180875787043918380027529741513797326606930331353537614756775859680275589420335116877774534350456862009927381930659984864440829357081073944815026363946093380478297552478099770885813984237782373524204773450209231409239282712676343273032816879222175608184987968082296689089537876576980880891268776173052384509521645305580967314548894926704319728672757240638176397050927420194236149651631952673688016885335047184561608762349585298012650193516984335241016903072560481774598756146217265389858792666751861831561236830301296800955848946707956214684832140172040183650448653918677019823237247931
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 98 of the certificate chain of a 2,464-digit prime (171 intermediate primes).

Certified number2,464-digit prime
Certificatedownload
Certificate chainshow step 98 of 171

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678593286 --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":1100000008678593286},"decimal":true,"detail":2}}'