If n is any 3-digit prime number then which of the following statement(s) is(are) definitely true?n divides 2n – 2.an + bn is always divisible by (a + b) for a + b ≠ 0.There always exist n consecutive composites numbers.I did not understand the 3rd option

1) Only 1
2) Only 2
3) Both 1 & 2
4) All are correct