Determine the largest integer A such that for K=1,2,3,...,length(A) the first K digits of A form an integer divisible by K.
For example, for 56165, 5 is divisible by 1, 56 is divisible by 2, 561 is divisible by 3, 5616 is divisible by 4 and 56165 is divisible by 5.

Pairwise Differences |
Posted on 2024-04-26 by K Sengupta (No Solution Yet, 1 Comments)

Digits of N^3 | Rating: 5.00
Posted on 2024-04-25 by K Sengupta (No Solution Yet, 2 Comments)

Block Distribution | Rating: 5.00
Posted on 2024-04-23 by K Sengupta (Solution Posted, 4 Comments)

Well-known French Name |
Posted on 2024-04-19 by K Sengupta (No Solution Yet, 3 Comments)

Triangular Cube #2 |
Posted on 2024-04-15 by K Sengupta (No Solution Yet, 3 Comments)

Sum of 2 Squares | Rating: 5.00
Posted on 2024-04-14 by K Sengupta (Solution Posted, 3 Comments)

Digital Product Triples #2 |
Posted on 2024-04-11 by K Sengupta (No Solution Yet, 1 Comments)