Saiko Labs
Textbook RSA encrypted character-by-character. Factor n, recover d, decrypt.
Textbook RSA, char-by-char. n is factorable. n = 1692209 e = 65537 c = [74628, 881917, 1579531, 1362115, 1162213, 1258259, 239073, 840193, 881917, 239073, 1362115, 1202819, 1444105, 508127, 218674, 1202819, 232597, 881917, 239073, 1362115, 218674, 1444105, 57777]