Answer
49
Step-by-step explanation
2 is an even number, so all even numbers can not be the smallest number required. Example 2, 4, 6, 8, 10, 12, 14......
All number that arr multiples of three also do not qualify for the number required. Example 3, 6, 9, 12, 15....
Numbers that not multiple of 5 do not also qualify. E.g 5, 10, 15, 20, 25.....
The smallest positive composite number is that is not divisible by 2,3 or 5 is 49.