To find the number of groups, we need to find the greatest common factor of 52 and 42.
The prime factors of 52 are 2, 2, 13.
The prime factors of 42 are 2, 3, 7.
The common factors between the two numbers are 2.
Therefore, Sven made 2 groups.
To find the number of items in each group, we need to divide the total number of items by the number of groups.
For notebooks: 52 / 2 = 26 notebooks per group.
For binders: 42 / 2 = 21 binders per group.
Using the Distributive Property of Multiplication over Addition, we can write the answer as:
Number of groups: 2
Number of notebooks per group: 26 (2 x 13)
Number of binders per group: 21 (2 x 7)