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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 #1100000009048296492 1,246 digits created 2026-08-05

Value

1917700509005597122242517465134035249236435833088642212073269444658559217558660364212003173750797085739239263475171392418064616448049066842060020561773103651203824979189055596010645301210671605060724188923626683063638690116861521992945011078585637522239733457541514719508784573837953725546125096533272629680214156907707517337648476153094639141290828223428741482399568799392970777269890507004484390886499687121679550416292646175376224021229193444734911070239928450617805244453601493000959051136051418512662881667154407451117089663678611648105218722227081976670426913633682962371104987523520892268491183026816234212921874322553571586290772623171086516027440018883314844388712508157006924644143507526267119496043015473563062371919601673620787171192658040980788366728404854317103414048951925055935276952386896730821231124779808232284851906588888513133027270747540655302390873569223882551463482863207525083199871061110201730784494000502312641388907936535878875594321703018426736450099746936472297487075994116114777788267335698883852976247217963269476048319402634001682514266524092280864341443126337897968898512997785677788270715356051146622611999511647484312566197956770244500042812827230417699662593279439546290969540865192927027443089047831093443771
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 16 of the certificate chain of a 1,484-digit prime (116 intermediate primes).

Certified number1,484-digit prime
Certificatedownload
Certificate chainshow step 16 of 116

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048296492 --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":1100000009048296492},"decimal":true,"detail":2}}'