Practice Exercise:

Find the smallest prime factor for each of the following:

1) 698

2) 495

3) 2289

4) 81

5) 2231

6) 1337

7) 649

8) 1659

Answers:

1) 698 = 2

2) 495 = 5

3) 2289 = 3

4) 81 = 3

5) 2231 = 23

6) 1337 = 7

7) 649 = 11

8) 1659 = 3