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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 #1100000009056642903 1,754 digits created 2026-08-08

Value

75131715522381806905199049977253990744855667505151441503385966395634406918727757418796457722087213274547838794749048229162460487154403859123537803814199451645144853237073042856541581891769198522226899089211229161851671607666346194585191343050476463431857010109403002289955849450247390314830392052536209326000459137584748285918196593863872070503030566156838307578903088741003149316749102825198045842725408924674435990503415902429587765045302702970423015641484575530362555578709761660196764633338604099258414476938374011892208799169267409697886266423925369720931274894125812081319266489797331501920315848976798056621185013379090260701639709379828589925595934122515220018054639560763925403643119641406568760212155115774571705601123420069410348297714836840884421294462634617339187583907274072938126904778451596854391847705528424915900092135388261645954055743586061113724248237213534670361094851317747089713173194158402459134039811023941346362135832417776033544479087344436189577882870768603226113113948495049964797092457277249301138902436099867269249405098134838589184448659910012796862822699303479510907139510731598526339980946139408986767953077273919802103480011894010529302804341626514302743258255477357732014491198803082264300400572682124461172187235341988083128292975754359173038385266138851899632408145576209035382001160276931991155570368138782564773155194888234110697711770915409727644542754089449821668732378008844172239225512597745716587338167154993472739258450187853949851182178766891687755289706320061478731474303121065322378266457480381384436185495511731552059614025475672693886058396711507763225546821169273592743184405222395610554125474128181029261309875980858067962613744565779559059326334129083808075609271995023982826920385311851471646793383
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 2,536-digit prime (201 intermediate primes).

Certified number2,536-digit prime
Certificatedownload
Certificate chainshow step 65 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056642903 --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":1100000009056642903},"decimal":true,"detail":2}}'