worksheetworks least common multiples 1
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ALeast Common Multiples
For each pair of integers, find the least common multiple (LCM) between them.
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20 and 33( 1 )
21 and 16( 2 )
24 and 8( 3 )
32 and 12( 4 )
39 and 44( 5 )
48 and 50( 6 )
63 and 36( 7 )
45 and 15( 8 )
60 and 78( 9 )
88 and 80(10)
26 and 56(11)
28 and 52(12)
27 and 49(13)
66 and 70(14)
ALeast Common Multiples
For each pair of integers, find the least common multiple (LCM) between them.
A N S W E R K E Y
Copyright ©2013 WorksheetWorks.com
20 and 33( 1 )
21 and 16( 2 )
24 and 8( 3 )
32 and 12( 4 )
39 and 44( 5 )
48 and 50( 6 )
63 and 36( 7 )
45 and 15( 8 )
60 and 78( 9 )
88 and 80(10)
26 and 56(11)
28 and 52(12)
27 and 49(13)
66 and 70(14)
20 = 22 • 5
33 = 3 • 11LCM = 2
2 • 3 • 5 • 11
= 660
21 = 3 • 7
16 = 24 LCM = 2
4 • 3 • 7
= 336
24 = 23 • 3
8 = 23 LCM = 2
3 • 3
= 24
32 = 25
12 = 22 • 3
LCM = 25 • 3
= 96
39 = 3 • 13
44 = 22 • 11
LCM = 22 • 3 • 11 • 13
= 1716
48 = 24 • 3
50 = 2 • 52 LCM = 2
4 • 3 • 5
2
= 1200
63 = 32 • 7
36 = 22 • 3
2 LCM = 22 • 3
2 • 7
= 252
45 = 32 • 5
15 = 3 • 5LCM = 3
2 • 5
= 45
60 = 22 • 3 • 5
78 = 2 • 3 • 13LCM = 2
2 • 3 • 5 • 13
= 780
88 = 23 • 11
80 = 24 • 5
LCM = 24 • 5 • 11
= 880
26 = 2 • 13
56 = 23 • 7
LCM = 23 • 7 • 13
= 728
28 = 22 • 7
52 = 22 • 13
LCM = 22 • 7 • 13
= 364
27 = 33
49 = 72 LCM = 3
3 • 7
2
= 1323
66 = 2 • 3 • 1170 = 2 • 5 • 7
LCM = 2 • 3 • 5 • 7 • 11= 2310