factordbrpc · fdb
Sign in
>
?

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 #1100000008674981327 1,045 digits created 2026-03-09

Value

5819097647519124463374490717066855740432240143487975486882118653285481565417311095048366687305645755014870328720969568056716643289531688749432530774357230810185207462374564243303991352485740732469520984399273544845073098116183852176494110022624011366677269627132088984408332986023505109466611956607071400947625239117056152901707649654564199618304107109430120023552185624197742711839027902061798211377226166162752510500466253599705614606688892284980683543935444070836806221352518313886575860365445327158933797892063128677511826581646900468086269684418472817402821831776270341437525694703357721817209660550055303731320532485064107996241662157589008520591800316976991796910455185199717551371424361727293936215616200572322010737502290135555171173470984134628052663051533146477411873563233851035882419839892330452786236527216154561792699135370254661554837189151528673385551447021964449777053610817469098898321949122034061601410617464771153356317273767136309804029325259180975734226203624307913108064782071264943713291015746469257771477568560354231969
term 877^355+876
Permalink
Is factor of

Primality

N+1 primality proofproven prime

Proven by a Morrison (N+1) test, |D| = 0.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008674981327 --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":1100000008674981327},"decimal":true,"detail":2}}'