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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 #1100000004881839655 2,214 digits created 2023-10-25

Value

339510877621600697138392740667408435499774076233774647907880594571412465500021490803325907440044094514576048455826097053390290687724822132077318974504680288966109931567547780955741254175722514544598178709188579910698563221366619451866610519240665640123895660714426272585894542982178742447913494910313403319427591492718641545780428523301732889549960091105609324550137074908562731320160464885411149278457394050889727538406028101577166864160183768136973855545091864390535777861977369946987665514876111687573491807444838520509397381676893351507309851017503696738008754169542386752260857921633745431980971529458000758114264172154744949333277692193085125045892804039261181207612619601794674461899984564126518378921729684674483155303308787936980798555244947609068053567911915232548648980484354708905436736164197836906456782280861874237269879577964990402354927032643850585821003959986357953370777137903797478149667988261000781827860017093874141245088661264601036659277058225167938511104541659814698936145379977750189272298776686393331247558334162413671023687062338411147794266752282653498410923484061483999954236655809887109081940966774741321160820632441473308345570367747900688015512031488115590475540909505449463803921456588547160656894216966180652577458939103697416914836571886721508961946536213287413667966937801135868828991867206166318340478898456517236790039218770273882162837157277266757414976516301901643291245017711123226962221480747118394132248323807942520019783249205671458707598748455054280639929315549042754181657089618437472415313367225098182560880832037659903700793716141835405710507850839848776667549073959398727818852029341196367658020162617833432361467465666791295819495153633461621457749224538423545773014335080297120025173916743840055742262526760317371661162150500449658486304290465248489420925177342785713933608605421510061893604219078909580254952408680102602369935107938936088253749383440296414778825818890461922597991901542790926531917178161107375074869607422086286889896766269233778041250804472528830923433136636953114435885659001402055183303510042633811957460935185033721185451691553674499759178694040173491470170901034930800916740234024255263384059450525170114649172581868779291167422891501954429
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 2,349-digit prime (259 intermediate primes).

Certified number2,349-digit prime
Certificatedownload
Certificate chainshow step 19 of 259

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004881839655 --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":1100000004881839655},"decimal":true,"detail":2}}'