Factors and Multiples

Factors and Multiples
1. Factorize by factor tree:

i. 84 ii. 36 iii. 45 iv. 60 v. 54 vi. 72

vii. 130 viii. 63 ix. 48 x. 66 xi. 56 xii. 108

xiii. 75 xiv. 110 xv. 250 xvi. 625 xvii. 1000 xviii. 500

xix. 20 xx. 40 xxi. 600 xxii. 80 xxiii. 120 xxiv. 150

xxv. 99 xxvi. 33 xxvii. 12 xxviii. 76 xxix. 44 xxx. 57



2. Factorize by short method:

i. 28 ii. 36 iii. 42 iv. 120 v. 96 vi. 120

vii. 78 viii. 24 ix. 90 x. 32 xi. 40 xii. 105

xiii. 84 xiv. 36 xv. 45 xvi. 54 xvii. 560 xviii. 729

xix. 1000 xx. 1331 xxi. 1500 xxii. 2500 xxiii. 625 xxiv. 1024

xxv. 335 xxvi. 393 xxvii. 672 xxviii. 415 xxix. 46 xxx. 5000


3. Find all the factors of:
i. 42 ii. 56 iii. 64

iv. 72 v. 96 vi. 63

vii. 108 viii. 48 ix. 136

x. 28 xi. 84 xii. 81

4. Solve:
a. Show that 7 is a factor of 1246.
b. Show that 5 is a factor of 245.
c. Show that 9 is a factor of 4923.
d. Show that 6 is a factor of 8052.