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Practice Workbook SE - East Penn School District

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Name<br />

LESSON 16.4<br />

Find Prime Factors<br />

Write each as a product of prime factors.<br />

1. 36 2. 81 3. 18 4. 27<br />

5. 34 6. 55 7. 38 8. 40<br />

9. 32 10. 56 11. 72<br />

12. 88 13. 20 14. 144<br />

Write the missing factor.<br />

15. 66 3 <br />

16. 98 2 <br />

17. 56 2 2 2 <br />

18. 100 2 2 <br />

Mixed Review<br />

19. Order from greatest to least:<br />

7,077; 7,707; 7,070; 7,700;<br />

7,770; 7,777<br />

20. Order from least to greatest:<br />

4,106; 416; 4,601; 601; 4,001<br />

© Harcourt<br />

21. Estimate. 9,083 59<br />

22. Estimate. $4,593 $2,279<br />

23. Estimate. 655<br />

24. Estimate. 985<br />

<strong>Practice</strong><br />

PW89

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