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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 #1100000004912872198 1,860 digits created 2023-10-25

Value

914570563207462516570063946464483742637436038851474379695461596246850991730086417733270540178078397309541106882490839259062773697411351942237825707272317451876155980176556132483779346426014982081304965072599808789468442708667392717624742092868903723153044395414372329641616969861572867076062805318196686576417963698740944327750103161978771866473419952674642928650504093225217219652127819050188917838681604546017659401256784982008147235304376911993562516064696208242336361583914290344075217923312608248709436255869855842559676981077322842878496658631931374001146132200338100198900628912090368799095175873539255826213867017323417477007105763891923655090907193214640842620113190312647675197152113827376016732911498919588102882267486781359900658377424059973911721398100572002935616890015077021502567182893818747643297980680528552590511419746690468655690974080163541517258121394237633958084193096659239479707318331615623283818118859589461825259035931534617113532876377416802776116766531519112197456995471431656709104727359973514357018611116923404480781412413784967673555763129654971369798807984991562132822768378950664056666015312833249933663910675195398404027013309497941311337662579409545156540431861133058897091422490816716020502999736298146901166118364990041375547573534849012529308637376248010664787791043397168767582625433382923539982177659950236701108820177827442048843666180095517877066009410973266756300967931416733191541805249906007048751905470666917090335197945980524391942201740858033857127850731794886486638821974073439352081760489836587603215757653342219687438093246673748830688888826361464817695208191416400123235324552666117753954377475442895368316830923432879244238212804513322352896712955782104895449043940452379658420625748255870094826400715865378779542417975157698175628201741882390884869581263646972887415371017734184799809066769045341214360483
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 2,000-digit prime (266 intermediate primes).

Certified number2,000-digit prime
Certificatedownload
Certificate chainshow step 20 of 266

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004912872198 --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":1100000004912872198},"decimal":true,"detail":2}}'