N=(2963^3821-1)/2962 Portion of N-1 factored: 26.6709% Portion used in proof: 26.6709% Factorization of N-1: 2963 = 2963 phi_2 = 2 * 2 * 3 * 13 * 19 phi_4 = 2 * 5 * 877937 phi_5 = 11 * 281 * 1571 * 2131 * 7451 phi_10 = 1061 * 72621409561 phi_20 = 5 * 6136901 * 193612788851406863161 phi_191 = 2293 * 4516387 * 172797319 * 119521520205062967009183017131 * p613 phi_382 = 383 * 120331 * 2385209 * 69204649 * c638 phi_764 = 107091547813 * 2542666085081 * 1116727839570819035825540099417 * c1266 phi_955 = 3821 * 331996201 * 164295302531 * 30669353495491 * 62820518941231 * 195669265541951 * 111227212252446296592331 * c2551 phi_1910 = p2639 phi_3820 = 1642601 * c5272