What can you say about the prime factorisations of the denominators of the following rationals:(i)43.123456789 (ii)43.¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯123456789 (iii)27.¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯142857 (iv)0.120120012000120000....

What can you say about the prime factorisations of the denominators

1.	What can you say about the prime factorisations of the denominators of the following rationals:(i)43.123456789 (ii)43.¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯123456789 (iii)27.¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯142857 (iv)0.120120012000120000....
Answer» What can you say about the prime factorisations of the denominators of the following rationals: $(i) 43.123456789$ $(i i) 43. ¯ ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯ ¯ 123456789$ $(i i i) 27. ¯ ¯¯¯¯¯¯¯¯¯¯¯¯¯¯ ¯ 142857$ $(i v) 0.120120012000120000....$