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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 #1100000004985342638 1,085 digits created 2023-10-26

Value

12527718977283686456608878798335931944370947441807038463957059697034095412292429283191535793536884671567269900505107034384153253110567428423533041447531429286055225506590697801528913726615456792735939502102198560630005332326235372127531404320821564033186618731108835133501407042098894481575516393761573729513281559197211556888749621357209958616828917652539742130430455475775535785973151476767350268162474496046105903799681897025563007408947571461783907367425870738424726738382789588378337959560916446091643665290039775112656892876919401011572639570672814304181497943828520076564559416210124112811934181511144286879255501143796792152201627184826241593475809405743145676259626743715246735811229646866509409375837844555273532594320944085161819687552445538299634539263112908529401903304305771811881451053596468599033780928687465714612957372835514477057373529234976819181774195271062836194114871041069994566548650006995315428822279121317275420840993346081582320806451021735491702050402365403499208550329844206836132121178938169687616014827320541632360386371095117979598465719627913730164879
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 3 of the certificate chain of a 1,103-digit prime (147 intermediate primes).

Certified number1,103-digit prime
Certificatedownload
Certificate chainshow step 3 of 147

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004985342638 --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":1100000004985342638},"decimal":true,"detail":2}}'