A pattern forms..........


first few prime numbers: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, etc.

From 0 - 10..........................4
From 10 - 20........................4
From 20 - 30 .......................2
From 30 - 40........................2

4, 4, 2, 2......................then 3 and 3..........in the next set of ten numbers, and the following..............