n=(26371^13681-1)/26370

Portion of N-1 factored: 32.43%
Portion used in proof: 30.09%

Factorization of N-1:
26371 = 26371
phi_2 = 2 * 2 * 19 * 347
phi_3 = 3 * 7 * 33116953
phi_4 = 2 * 17 * 53 * 101 * 3821
phi_5 = 5 * 11 * 1438271 * 6113915761
phi_6 = 37 * 18794683
phi_8 = 2 * 337 * 124193 * 5777625401
phi_9 = 3 * 3907 * 3150659233 * 9107380740781
phi_10 = 271 * 911 * 1958854861661
phi_12 = 13 * 3313 * 587473 * 19114093
phi_15 = 691 * p33
phi_16 = 2 * 113 * 577 * p31
phi_18 = 73 * 179140483 * 25718343438539629
phi_19 = 4248287 * 5638327 * 507288487 * p58
phi_20 = 41 * 821 * 941 * 516175673075501 * 14305354329181
phi_24 = 2100581439845209 * 111345652874410279609
phi_30 = 31 * 61 * 135584161 * 912281297174585738653531
phi_36 = 101089 * 5117635189 * p39
phi_38 = 19 * 3755237 * 338631187 * 1926193691803 * 34705680899680529 * p35
phi_40 = 1601 * 1928086241 * 45182295454408681 * 1554516810601002641 * 252315585973579272704201
phi_45 = 181 * 17551 * 147151 * 265770361 * 8461207623601 * p74
phi_48 = 30577 * 258299125551867649 * 6268833786317472023473 * 1104895019121726876239111809
phi_57 = 147517 * 5653603 * 35630370313653084836788465466509083235129 * 11864416859484859662836498726883150355161642410107 * p58
phi_60 = 55381 * 1013712282421 * 161822627759941 * p40
phi_72 = 1801 * 64679977 * 222510841419914252222860665622795969 * p60
phi_76 = 137029 * 9549240401 * 23881698251980135612908799126836931609 * p107
phi_80 = 241 * 347041 * 147709681590669521 * 7393765976912686719357292001 * 70409637964007860252647077886881 * p57
phi_90 = 3053431 * 23196079876103731 * p84
phi_95 = 191 * 571 * 3047554719896161 * c298
phi_114 = 229 * p157
phi_120 = 3077295293259686183511334476988304490484164044459610910166546401921 * p75
phi_144 = 433 * 145094113 * 11977430990088618685582702129 * p174
phi_152 = 457 * 13681 * 20521 * 5585178586475403419038986599101897 * c274
phi_171 = 169021514953 * 11847778555465971037 * c448
phi_180 = 87749281 * c205
phi_190 = 104503991 * p311
phi_228 = 8209 * 8893 * 5547697 * 129252061 * p296
phi_240 = 1201 * 50092645863361 * 680272022919884135522023681 * p240
phi_285 = c637
phi_304 = 3041 * 32833 * 369361 * 447379169 * c615
phi_342 = 2053 * 279942391 * 848605880107 * 5719446412909777 * 8301434318584364213266785486691613589829 * c399
phi_360 = 2521 * 206281 * 35007078823586980046846281 * 1185692094492760463239594801 * c364
phi_380 = 761 * 1901 * 785599081 * 39477131821 * 153935746145991182268061 * c588
phi_456 = 49495153 * c630
phi_570 = p637
phi_684 = c956
phi_720 = 1674254161 * c840
phi_760 = 360129041 * 2840308406898367347540215376601 * c1235
phi_855 = 15391 * c1906
phi_912 = 575473 * 121907041 * 12915602641 * 69980685949366946209 * c1230
phi_1140 = 2281 * 5701 * 934630141 * 4546134181 * 1054080267987361 * 32482184258151721 * c1217
phi_1368 = 69103733401 * c1900
phi_1520 = 4561 * 135281 * 162294961 * 259058161 * c2522
phi_1710 = 181690921 * 202007431 * 155079622591494723736017571 * c1868
phi_2280 = 8410921 * 178599919441 * 187701589351618561 * 342452842915756922744641 * 34482353687762769847144561 * c2463
phi_2736 = 123121 * 293796733624561 * 81534147994069777 * c3784
phi_3420 = c3821
phi_4560 = 27361 * 501136115761 * c5078
phi_6840 = 6841 * 68220317146257643681 * 2182394641898690953390848241 * c7589
phi_13680 = 13082397832081 * p15267