Hello,
5355 is divisble by 3 since 5+3+5+5=18 is divisible by 3
5355=31785
1785 is divisble by 3 since 1+7+8+5=21 is divisible by 3
1785=3595
595 is not divisible by 3 but by 5
595=5119
119 is divisible by 7 since 12+13+91=14 is divisible by 7.
119=7*17
17 is prime
Answer A
