(6-1) * (6+1) * (6²+1) * (6⁴+1) * (6⁸+1) - 6¹⁶ + 50 = 5 * 7 (36+1) * (6⁴ +1) * (6⁸+1) - 6¹⁶ + 50 = 5*7*37 (6⁴ +1) * (6⁸+1) - 6¹⁶ + 50 = 1295 (6⁴ +1) * (6⁸+1) - 6¹⁶ + 50 = (1295*6⁴ +1295) * (6⁸+1) - 6¹⁶ + 50 = 1295 * 6¹² + 1295 * 6⁴ + 1295 * 6⁸ + 1295 - 6¹⁶ + 50 = 1295 * 6¹² + 1295 * 1296 + 1295 * 6⁸ + 1345 - 6¹⁶ = 1295 * 6¹² + 1678320 + 1295 * 6⁸ + 1345 - 6¹⁶ = 1295 * 6¹² + 1679665 + 1295 * 6⁸ - 6¹⁶