Solution

26974

Problem
What numbers can we make now? Back to problem
First name
Henry Stringer
School
St. Hughs, Woodhall Spa
Country
England
Age
11

It is impossible because the starting number is 3 and the difference between the numbers is 4, and this is why. 30x3=90 90÷4=88r.2 meaning the number would have to be a multiple of 4+2, but since 412 is a direct multiple of 4 it won't work.