PRP · Probable prime
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.
Is factor of
Primality
This is a probable prime: it passes probabilistic tests but is not yet proven.
Build an ECPP certificate (for example with Primo) and upload it - it is stored and verified locally, then the number is promoted to proven prime.
Primo input filedownload .in
From the command linefdb · curl
fdb
fdb number '24166216501564120831529858767703192531241358790643727162336805832594889936502862426795446647335148366042955587441124061387376410987648115529880228927625302909041798545328173052122628168797672680251743266011809861542403650671068828989506674981591447862242490046374268021273381742981858370864751008816333761486524808467515342189189139538857724262173411503056312634295525056968655049830503817355180646099451883825213020738991199948822532209448286541986966165544135547303893891453059862696309130391623087120442375624742393314686660625213415266379089178910027774379502870974236782168599076047670870982913845900962341939657853857741559430430587616547763126499257584967985919599545346019317775105998276190845617989203467564673313523763918005125040993283044718913217194175248756398014022222041917132160066977985744273436897538135984183565916543963809076162460901059750370716340220003031689428386418655860843355893348200721022293467614311720555092897288251643910912429535899683772181169726162450267596010182045210994841196955074833782580176452292823947526709860924191318001097641491662947965288876091098650020148785828729811810789115999777136788166903445770027441475648945496052455697993427084354748437388814589274843125815294305575733794551980594288399369899881613314063573655783182366443531283869212885115200716153286039937280892331835382454257354645940069062764727518761754844394712977640626333645445433673524286592001438093083182784994178777228539638417925732241520069619107517036983183758894280658307321433075051399580115127306217525677818099739256597386690020169967070357759391784196211010060710871512868409003253498950844737564589311111615959052371583035652559779436157560406081104742758971938874378942499141893526772619905590544474668163174954159028499781642677492446777633241172923201622720698809770236150411256377106159808813446085890004189410865838671' --detail 2
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"expr":"24166216501564120831529858767703192531241358790643727162336805832594889936502862426795446647335148366042955587441124061387376410987648115529880228927625302909041798545328173052122628168797672680251743266011809861542403650671068828989506674981591447862242490046374268021273381742981858370864751008816333761486524808467515342189189139538857724262173411503056312634295525056968655049830503817355180646099451883825213020738991199948822532209448286541986966165544135547303893891453059862696309130391623087120442375624742393314686660625213415266379089178910027774379502870974236782168599076047670870982913845900962341939657853857741559430430587616547763126499257584967985919599545346019317775105998276190845617989203467564673313523763918005125040993283044718913217194175248756398014022222041917132160066977985744273436897538135984183565916543963809076162460901059750370716340220003031689428386418655860843355893348200721022293467614311720555092897288251643910912429535899683772181169726162450267596010182045210994841196955074833782580176452292823947526709860924191318001097641491662947965288876091098650020148785828729811810789115999777136788166903445770027441475648945496052455697993427084354748437388814589274843125815294305575733794551980594288399369899881613314063573655783182366443531283869212885115200716153286039937280892331835382454257354645940069062764727518761754844394712977640626333645445433673524286592001438093083182784994178777228539638417925732241520069619107517036983183758894280658307321433075051399580115127306217525677818099739256597386690020169967070357759391784196211010060710871512868409003253498950844737564589311111615959052371583035652559779436157560406081104742758971938874378942499141893526772619905590544474668163174954159028499781642677492446777633241172923201622720698809770236150411256377106159808813446085890004189410865838671"},"decimal":false,"detail":2}}'