2 x 2 x 2 x 2 x 2 x 13 = 416
11
3 x 47
289 = 17 x 17
2 x 2 x 13 = 52
Use a factor tree. 172 86, 2 43,2,2
2 x 2 x 2 x 3
2 x 3 x 5 x 5 = 150
It is: 2*3*3*5 = 90 or as 2*32*5 = 90
2 x 3 x 5 x 5 x 11 = 1650
The PF of 416 is: 2 x 2 x 2 x 2 x 2 x 13
416 = 25 x 131
The prime factors are 2 and 13.