155
65
5 times 13 times 2 = 2 times 5 times 13 = 10 times 13 = 130
70/13 = 5 remiander 5
5 goes into 13 two times with 3 left over.
The product is: 13 times 5 = 65
5 times, remainder 13
13 remainder 5
13 times with a remainder of 5
10over 5
13 goes into 66 by 5 times, with remainder 1. (13 x 5 = 65)
13/100
2 times 2 times 5 times 5 times 11 times 13.
13√10