why isn't some words not showing up on lines?

[horr]

I typed on lines 30 and 37, but it is not showing up on them or when I print
it.

 

[Tony Jollans]

A little bit more detail would help! I doubt if anybody can help without it.

 

[Jezebel]

Because 30 is the product of 2, 3, and 5; and 37 is prime.