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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 #1100000009067938109 2,495 digits created 2026-08-10

Value

35754788386761762195527131259574083728724384834040350273977468089821151250739140753968195120651164642913548525645779860326053375128406487701499444187081130731233671595309343948116858411120713559255174319405826093402275800948978597334549561058909881080330288840250212859433232751044532850056243700478960764008577367603911770964896594567066839190725800313916554410869636298445192156973435253657182239429755585982181803840819921227522805032512820874487834631998986876808383907307249509946204457332766691860942878778716837510356735258902322196467961354779896389406103781754092306831219993831989214494440428770699532892637383079724245894340805363744688353837932757556536061567352856495938695786096832318209294566816829391116831312491674986185271924406956638519744980069990109281356782955027072074969500926297556103314599339995602155196516149625575481561805818126319872840284160710053325310909452053132004095794856824441360498306400605336171506543678143414111822770680337406224500104968991539329911997124262461241564819658704112027177974516413228994752717254070474319897341190022056882375347584236120703950848071642282760304422613973648763713365851448524252783146297024469707076861873727157383101943092473644189608132944027849095251994793578190353690970357943812187334524308580965125007340840358458700959921513480653087746248423413068583388970350939718595495277813126320195837272903226686326831752774277387782763569114209513001731567083952835336623179725545573810970329679503424053696076923095659527147240829631796703697843148339808652036075616474143364511387226243731567375249725103131989420630387342486599794185686615819492079689846178669608614545717387547873334839466122591961431284168416722476478771516450217748813020133661204862644914417767941655669599392117752721170097875647958606577990758064199832058854252899509470980148390611988922207462360530488640309854332738217447960138496047525576549316518189470744910096935850788691220327701472659369466927214282083508588600344582370331245635680908366158473563831422963546984919943812725544873463664154470160635777656101539972783519395387286325187206296888381143945338532983263040292376268394262965208392161822569058987937660452215024147289723820340979485335570752652182529005941363222244876392016109373232436641108964028843652541753045567544338213173828379360003241889546937749152389652373552620640716275914924505930873058103905032372213820649955139494598199411133730396182528000670499232651076234318615662279384502290250855968948154982327200527293547
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 2,638-digit prime (209 intermediate primes).

Certified number2,638-digit prime
Certificatedownload
Certificate chainshow step 12 of 209

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009067938109 --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":1100000009067938109},"decimal":true,"detail":2}}'