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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 #1100000008753399198 2,351 digits created 2026-04-14

Value

75992512099266169304112131250895865854500712030530930112339705626961607041638191280192065920344125279657860463697893089364635304633791018548964679079817067347379420944892853537108541600165463987752391993308294139732698139942150662355830663103843832390893885838853525815985220083185746705459838428234969882027620905164176478524551781108809927700471882575243121830577165482607362774990951014575048523456015559255546459143343559986474829405531585042885798603328813166606569781826944758712929548957703888080578593158087404951436218763831954906002247015613669336397694725256530067959477704465664619487747944140006565328708172825596940569467383286750463335288408620742138176745277985965566390823622162671996817465345018803029887672049719131617396386564872923870170370174113849478317229682876545479747533706209141130347161087475345062498302720014039066625711324856336761095228207374573338392970430819873284718075299420235533871145134740594548897485797443994362153005902275121510962283555631093537734491203144563615162757340101235527937058451974413473544626592366177885887884601686629809707548485120911394800966687353694538187678453533016733465405166714259406662670878656104679183692186382999568768500982914668529417662446406820648400759309269653798548617045360874222035171470450195555803555038152254366845396426772661303091737183375425869125613818399708455589401336998458856357206781061342971341410527951648176841285043191531561102084058689782712162105408661561596726280149441928563185599564000086415172233975714845476966081433532359838492640504960730131490762048019424301179162413823915949631923257037476465703893029941324927655199422909298695402902557832172833911447349655012189511726847978721724086019904913172262800698680334500466109258187412895537985729977262389693367668468179484264391823544498932582633871988800074491357267911025094604034970313008492762749764606601158834714660682602156450790912269289864099965182935262749225329746855470812089078029020528824993944336360257562832246474393146006861629962844286534381965565643248885068212224988278543512906323166508053370779322992298873039332323873937577290074523066724650331089571749458238330562993517548734510562049415897243729637443589511870322159290468279531904761787047689278193333685585263035694827966009996462858026737550615151032041681650335305478908122374329945928096950315213952943753368935637
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 33 of the certificate chain of a 2,746-digit prime (208 intermediate primes).

Certified number2,746-digit prime
Certificatedownload
Certificate chainshow step 33 of 208

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008753399198 --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":1100000008753399198},"decimal":true,"detail":2}}'