Maths with Graham
Highest Common Factors and Lowest Common Multiples
Gap-fill exercise
Fill in all the gaps, then press "Check" to check your answers.
Now you try. Fill in the missing numbers.
Number
Number
LCM
HCF
88
99
24
8
42
63
120
130
34
24
64
80
225
150
8
32
132
143
77
49
Check
OK
Maths with Graham