What is the product of all positive factors of 15?
Options: A) 225 B) 324 C) 1521 D) 3042 E) 5832
Positive factors of 15 are 1, 3, 5, 15.   So the product is:  15*5*3= 
<gadget id="calculator"> 15*5*3</gadget>
<output>225</output>
225.   225nswer: 225
<result>A</result>
What is the product of all positive factors of 15?