Fundamentals of Mathematics, 2008a

178
CHAPTER 3.
EXPONENTS, ROOTS, AND FACTORIZATION OF WHOLE
NUMBERS
Exercise 3.4.25
20=4·
Exercise 3.4.26 (Solution on p. 204.)
36=9·
Exercise 3.4.27
42 = 21·
Exercise 3.4.28 (Solution on p. 205.)
44=4·
Exercise 3.4.29
38=2·
Exercise 3.4.30 (Solution on p. 205.)
18=3· ·
Exercise 3.4.31
28=2· ·
Exercise 3.4.32 (Solution on p. 205.)
300=2·5· ·
Exercise 3.4.33
840=2· · ·
For the following problems, nd all the factors of each of the numbers.
Exercise 3.4.34 (Solution on p. 205.)
16
Exercise 3.4.35
22
Exercise 3.4.36 (Solution on p. 205.)
56
Exercise 3.4.37
105
Exercise 3.4.38 (Solution on p. 205.)
220
Exercise 3.4.39
15
Exercise 3.4.40 (Solution on p. 205.)
32
Exercise 3.4.41
80
Exercise 3.4.42 (Solution on p. 205.)
142
Exercise 3.4.43
218
For the following problems, determine which of the whole numbers are prime and which are composite.
Exercise 3.4.44 (Solution on p. 205.)
23
Exercise 3.4.45
25
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