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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.

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AL2006


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

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