Factor Info

ID 153378
Size 802 digits / 2662 bits
Status composite
Value 1204179204320292538218921919375359448737197845520199153750741343030459637651598181321589044169747527379439192556353801077618803708786420579746087554631714951922556868448810035362594879723789061235493706703440397334181305391986908391350700985378863265387173119426495952842949633415504047873443769662408342563577788027752911837695138188198130775854855395231189757672176246699583623364332411839742978154895728660583322249248710036656509889621847282370634526067874766322410874719261523559386001416458908269719928904734534567629473647858810550855797084643298931109441189105652465890971272657962077010805056533346162807792013199877239190479927137653863553840497063964235754949798709551721377584791729402341603706969083876632319146168628616797859023745741706828363004310321895585451526686307940675422027483839

Factorizations

Primary (ID: 186361) 492473402286599578881876657824360415964211234059 (proven prime)
(ID: 187477) 2445165969835481594126330850589998694105010968007349272328755142704753676264813923301266190094031313975036071242988535135699309743840768459560520476336211713802436101914671872356876580885279122485029916888261497830067398436042190697739428022280314156398213036604067012490394398549284029232469091046045741847511293164756943462996090915325657924062246865325964894161765716436624844517549416107308432119177978559695578563775960979640517637352568908717295796800992774744265940920668163561778544889895029064722404131759427554913497247092751071363394717521495464089941716717569702628118652825643557193441878135155317534066254347627368690799310251469370903539808439266177008875072042546749703972465165336791955906411020771225582620569593855556423139783373355421 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.