The correct option is (B): 5929. 456 x 565 x 776 = (32 x 5)6 x (23 x 7)5 x (7 x 11)6 = 215 x 312 x 56 x 711 x 116 63 = 32 x 7 So, after removing 212 and (32 x 7) from the given number, The remaining number = 310 x 56 x 710 x 116 So, the required number of factors = (10 + 1) (6 + 1) (10 + 1) (6 + 1) =5929