about half
All you have to do is divide by two
Yes
252 Divide by two. 126,2 Divide by two. 63,2,2 Divide by three. 21,3,2,2 Divide by three. 7,3,3,2,2 Stop. All the factors are prime.
Then all you do is add those two medians and then divide them by 2.
1008 Divide by two. 504,2 Divide by two. 252,2,2 Divide by two. 126,2,2,2 Divide by two. 63,2,2,2,2 Divide by three. 21,3,2,2,2,2 Divide by three. 7,3,3,2,2,2,2 Stop.
248 Divide by two. 124,2 Divide by two. 62,2,2 Divide by two. 31,2,2,2 Stop. All the factors are prime. 2 x 2 x 2 x 31 = 248
15
1 2 7 14 49 and 98 all divide into 98 evenly.
200 Divide by two. 100,2 Divide by two. 50,2,2 Divide by two. 25,2,2,2 Divide by five. 5,5,2,2,2 Stop.
24 Divide by two. 12,2 Divide by two. 6,2,2 Divide by two. 3,2,2,2 Stop.
Divide by two. (32,1)(16,2)(8,4)
Use a factor tree. 588 Divide by two. 294,2 Divide by two. 147,2,2 Divide by three. 49,3,2,2 Divide by seven. 7,7,3,2,2 Stop. All the factors are prime. 2 x 2 x 3 x 7 x 7 = 588