4
-4
No. 7 is 4 less than 11, and 11 is 4 more than 7.
-4
There are 130 positive integers less than 1,000 that are divisible by seven but not divisible by 11
-7
130 numbers
It is: (7+3)*(11-5) = 60
There are six prime numbers that are less than 15: 2 3 5 7 11 and 136 of them.
2 3 5 7 11.
7 x 11 = 77 400/77 = 5.19.... ==> 5 integers
I get 11 .AlaskaHawaiiIdahoIowaKansasMaineNevadaOhioOregonTexasUtah
Prime numbers less than 30... 1, 2, 3, 5, 7, 11, 13, 17, 19, 23 & 29 making 11 in total.