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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 #1100000007209251376 1,808 digits created 2024-06-30

Value

72127147055673914215540530687644785889362016907382823469469464036280428106391020099985328307907340869626291345102019071990235204004530771318180619670125321615333442984602712309398944413266005630271659244474192532492442606351908540259678832237822977305336515683726550971582914731766474239590759954104720051030324456256740150570144824407452167475970489152156298874163128981366985377500985237124207605590083894412779429898436099165438833999424028107983355485012490127979994430533749221793688021907072907102384102504320893621234577465261236772074786234574594316095208090766975207944192047661205763123103250890923838857025819833409954138762582682750385912332057246698713119435477757069929233099156546379475872125586344264655050574675083595101899439406848657829860396134953821057003368172624952024630307702896332582791076857772570367093787175137127001330432570874080959237205581727778391972114642177636885269313007241387505818223708773461460278946687392064470468254589521539941365660457416182316819990315562935725795990156052632664739520242187736179752683798450915787533876706149302651514510154018511593556466046772474014100490977451164965844166118282047689178344496223788901185862315977880828839223923192045207176587253857270110070778896029802489153476952781679514621697363675649688169647591326064224652326388703544848428112432203586630060436101897249480683190713825206894210649917348921573985124074030831950325355663878094817601459997141533348526620653269871278477325374988792109075345161874721372254373464531828727956283678945111508052966639757887376446572984408198083230231605221324758012628135316471884749811808950799303406653400237494369422314665576146594464105984047094839133335361416613999427887237889496643899502509060761936119379317601858517004950343430425212431012702231819791588858280677303701502689153
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 25 of the certificate chain of a 2,032-digit prime (206 intermediate primes).

Certified number2,032-digit prime
Certificatedownload
Certificate chainshow step 25 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000007209251376 --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":1100000007209251376},"decimal":true,"detail":2}}'