This math topic covers finding the lowest common multiple (LCM) of three numbers. It includes several practice questions, each asking to identify the LCM among several choices for different sets of three numbers. This topic is designed to improve students' skills in factoring and understanding multiples, important for building foundational knowledge in number theory and aiding in problem-solving involving fractions and ratios. Each question provides multiple choice answers, challenging students to apply their knowledge to find the correct LCM efficiently.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Finding Lowest Common Multiple - 3 Numbers Worksheet

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Finding Lowest Common Multiple - 3 Numbers
1
Find the lowest common multiple of these numbers
5, 10, 6
a
120
b
30
c
59
d
8
e
25
f
11
2
Find the lowest common multiple of these numbers
8, 7, 14
a
224
b
51
c
56
d
25
e
388
f
28
3
Find the lowest common multiple of these numbers
10, 15, 9
a
90
b
20
c
25
d
270
e
94
f
177
4
Find the lowest common multiple of these numbers
11, 6, 12
a
132
b
61
c
134
d
660
e
128
f
658
5
Find the lowest common multiple of these numbers
9, 15, 12
a
899
b
361
c
36
d
180
e
58
f
85
6
Find the lowest common multiple of these numbers
11, 14, 12
a
3,697
b
924
c
2,775
d
84
e
2,771
f
5,539
7
Find the lowest common multiple of these numbers
12, 14, 6
a
590
b
420
c
84
d
166
e
340
f
81
8
Find the lowest common multiple of these numbers
7, 11, 13
a
139
b
997
c
1001
d
1,004
e
4,004
f
73