Question

in how many pair of consecutive prime number from 1 to 100 does a difference of 6 occur​

Answer 1

Answer:

2, 3, 5, 7, 11, 13, 17, 19, (23, 29), (31, 37), 41, 43, (47, (53), 59), (61, 67), 71, (73, 79), (83, 89) and 97. There is totally 7 of them considering (47, 53) and (53, 59) as two different pairs.