There are 10 desks in a room. Determine whether 10 is prime or composite. If it is composite list all of the ways the desks can be arranged if they are in even rows.

10 is composite ... it has other factors besides ' 1 ' and itself.

- - 1 row, with 10 desks in each row.

- - 2 rows, with 5 desks in each row.

- - 5 rows, with 2 desks in each row.

- - 10 rows, with 1 desk in each row.

It's composite; ten rows of one, two rows of five, five routes of two, one row of ten