factordbrpc · fdb
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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 #1100000008946988462 1,548 digits created 2026-07-07

Value

127401721682362297854233017365915861708600464886321813259658039285687946842473227867935151574238290773015902678202704674016787691664340011192658774990447488161644704630015464336976628095168814455458089969374351048210459408793732094537762731270615375254806195408502169908352104228161841250826713505592105886849776097240504449710722705867119146300253564037990188680760238786468962772269646064604915126225233063930221200034229285755544861373246259569271231105423483266522246956145996137165485328428545624940269377104142985371024711435438756464489178702269737603570163888196808181698171019298572776758968274276787251870319632319006901675728514922126276749555517734997496384818925484562291304537694760332987879256680260130866150281974020846264931168168109740592279810325033588972223543415783734234555776925614990623667495821228514110895314479539042643069348190060200968348192278082836476809372706012256258210006603282387383503805349182857998486483728893407672545316995457833014688186459227780032037424659174817078222098732724953891704526367279249252615096072338569444758653427974914150869701738327071941015162938441487327821100832057761592372624091834575463854448726429747508089392600719210935997770024951617242375960582736871688366257040327182584700711396656824687481339542749806524162666528464807466861056300572492062142839171826899229774699027413055392359967387837528668498284357528064391362847062258221689044557005897744879334631524654906883755912707611877997063565600336622380910686720228005939494732274603890197673853788439174043754078993166867487
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 78 of the certificate chain of a 2,616-digit prime (190 intermediate primes).

Certified number2,616-digit prime
Certificatedownload
Certificate chainshow step 78 of 190

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008946988462 --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":1100000008946988462},"decimal":true,"detail":2}}'