What is the smallest positive integer X such that (X+1)^2 is divisible by 28, 98, 242, and 308?	Choose the correct option:  A) 153  B) 308  C) 121  D) 96  E) 511
28 = 2 * 2 * 7   98 = 2 * 7 * 7   242 = 2 * 11 * 11   308 = 2 * 2 * 7 * 11   So (X+1)^2 = 2 * 2 * 7 * 7 * 11 * 11, which means (X+1) = 2 * 7 * 11= 
<gadget id="calculator">2 * 7 * 11</gadget>
<output>154</output>
154, which means X= 153, which is option 153
<result>A</result>
What is the smallest positive integer X such that (X+1)^2 is divisible by 28, 98, 242, and 308?