15
30
45
60
75
90
17,34,51,68,85
The multiples of 3 up to 30 are: 3,6,9,12,15,18,21,24,27,30.The multiples of 5 up to 30 are: 5,10,15,20,25,30.The only common multiples are 15 and 30.The LCM is: 30
-15
21,69
12,24,36,48,60,72,84,96 That's it.
15,30,45,60,75,90
They are the first six multiples of 15.
They are the six multiples of 15.
15, 30, 45, 60, 75, 90
There are 6 multiples of 15 in 100. They are: 15, 30, 45, 60, 75, and 90
15, 30, 45, 60, 75, 90
The multiples of 15 up to 300 are: 15,30,45,60,75,90,105,120,135,150,165,180,195,210,225,240,255,270,285,300
The common multiples of 3 and 15 from 1 to 100 are 15, 30, 45, 60, 75, and 90.
The common multiples of 3 and 15 from 1 to 100 are 15, 30, 45, 60, 75, 90
15*6 = 90 and 15*7 = 105 so there are 6 multiples.
10, 15, 35, and 100 are all multiples of 5.
' 1 ' is a factor of every whole number . . . . . 100 of them' 2 ' is a factor of every even number . . . . . 50 of them' 3 ' has 33 multiples up to 100 . . . . . 33 of them' 4 ' has 25 multiples up to 100 . . . . . 25 of them' 5 ' has 20 multiples up to 100 . . . . . 20 of them' 6 ' has 16 multiples up to 100 . . . . . 16 of them' 7 ' has 14 multiples up to 100 . . . . . 14 of them' 8 ' has 12 multiples up to 100 . . . . . 12 of them' 9 ' has 11 multiples up to 100 . . . . . 11 of themTotal . . . . . . . . . . . . . . . . . . . . . . . . . 281 one-digit factors in all whole numbers 1 to 100 .