10 is.
The first four multiples of five: 5, 10, 15, 20
10, 20, 30 The common multiples of 5 and 10 are multiples of their lowest common multiple. The lcm of 5 and 10, is 10. Thus the first three common multiples are 10, 20, 30.
There are 6,750 such numbers.
The first 5 common multiples are the first 5 multiples of their lowest common multiple (LCM) LCM(9, 10) = 90 → first 5 common multiples are 90, 180, 270, 360, 450.
The first four multiples of 81 are 81, 162, 243, and 324.
81, 162, 243, 324
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1, 9, and 81 are the only multiples of 81
9, 18, 27, 36, 45, 54, 63, 72, 81, 90.
9 18 27 36 45 54 63 72 81 90
81
9, 18 27 36 45 54 63 72 81 90
9, 18, 27, 36, 45, 54, 63, 72, 81, 90.
27 54 81 108
list the first 10 multiples of 15
Multiples of 9: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90.