N=(7559^937-1)/7558

Portion of N-1 factored: 36.1774%
Portion used in proof: 33.5346%

Factorization of N-1:
7559 = 7559
phi_2 = 2 * 2 * 2 * 3 * 3 * 3 * 5 * 7
phi_3 = 271 * 433 * 487
phi_4 = 2 * 28569241
phi_6 = 3 * 31 * 37 * 16603
phi_8 = 2 * 10294337 * 158572913
phi_9 = 19 * 109 * 90075353079632557951
phi_12 = 13 * 17077 * 14706266881
phi_13 = 565787 * p41
phi_18 = 3 * 181 * 541 * 68292379 * 9298582219
phi_24 = 20521 * 45816795001 * 11336827445648641
phi_26 = 131 * p45
phi_36 = 20298842353 * 1714355453816592595005924517944360097
phi_39 = 360907 * 1993249987 * 12632143291 * 4462004173142322691 * p50
phi_52 = 53 * 157 * 12225149 * 810912023741 * 19226965570471013161 * p51
phi_72 = 73 * 400863768049 * 707403511604100374929 * p59
phi_78 = 79 * 2034941505630541 * 33551564036068051825130448622363 * p45
phi_104 = 1249 * 293677585263089 * 362223393994391177 * 5745802249521363652897 * 347986469674782966771433 * p106
phi_117 = 5851 * 46099 * 666433 * 44381377 * 2759853331 * c248
phi_156 = 13 * 58275361 * 30142979502483277 * c161
phi_234 = c280
phi_312 = 313 * 937 * 1873 * 204361 * 23128561 * 338038983049 * p340
phi_468 = 18749858401 * 14046215449969 * c536
phi_936 = 226975321 * 586429887167281 * c1094