How many positive odd integers n less than 1000 have the property that the product of the
digits of n is 252 ? Pick.
A) 0	B) 1	C) 3	D) 4	E) 5
Since 252 = 2 *2 * 3* 3 *7, one of the digits is 7, the integer must have three digits, and the   remaining two digits are 6; 6, or 4; 9. There are five such odd integers: 667, 497, 947, 479, and   749.   correct answer 5
<result>E</result>
How many positive odd integers n less than 1000 have the property that the product of the
digits of n is 252 ?