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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 #1100000008787409434 2,483 digits created 2026-05-03

Value

49529797298856831011186143695568891785995634602008047148425078466038665911761793423418807005986870195858926450722965744441881608751343755436114150798209035939210883451448121326206329627059309280118978363726498093185847302187484103046285075087079674997605791502860793311245510658937861067153700575798861931911594902524891802054153553059429681064726949138889047057553910124793597832454003578586322223193619397251217389177288533580636934634981270739211438158454758855250168968258344313502574434929134547967062678846551378300198558006268150782669743698417437724015242298480994461118610914906718687140456456364450548873068291897575731008609808487619169368059365190010529410864225303688776952193128404660564770742335278907387595517871489727428195199483156274097405171489928378548247309149955387714251148459475762126593780632287757574596140700164287670006090643580498110990422345474990067051727062020788055872739112769139194357106925858315316012624491135065896643634833479080460174081415106638913618645218891346334393849076850334017409531343135839251626887086078974968914184424457824472431215770203318769922789657732004698726116598766267527091189126312895480616116391316596288930537274867458432769279640979412422351646520151155696514623113658814225154259618041978161034654852775318579158937803653419865635869076530472164049442738395994210475414727223136323816084023561760027083922284537827765121508083288789684712821499985038166936636612898657395300551894177028502637078082631131594201819065295740301097511618914354129157582570434717559671369060346895311893334050032999667992812883383874403005828236667411905785352314382115110155629547418836638718934825518843394413686265120361807899766409959606314477984482429492616287674445576927183555845401262001344166352557705505656363914934294454909449175658282386934330193956311443799937981882563943584815581026818474802319495115085777542289774661081359078158338511433356110783417243064324406320966330625195020429095178940306256343948629627308846161938987283605928377186696940387266421707020970985470404737587778126152522697099555912674318577071558338042388274719615552864816383610063753726281839936352917256302359333808675296372901744243383498903577010646156366636884425770662248076424038582091238160015935245958161568728122240928083416390379902429132186027421078369710149757626753283861499658975171094999754909626069183620386623143596215432911743694414020527098325958003636720885318334469354472450557777482649210152230454446216566351132259882313829
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 3,261-digit prime (192 intermediate primes).

Certified number3,261-digit prime
Certificatedownload
Certificate chainshow step 48 of 192

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008787409434 --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":1100000008787409434},"decimal":true,"detail":2}}'