240, 255, 270, 285, 300, 315, 330, 345, 360, 375, 390, 405, 420, 435, 450, 465, 480, 495, . . .
Common multiples include 75, 150, 225 and so on.
The common multiples of 15 and 25 are all multiples of their LCM, which is 75. So, the common multiples are 75, 150, 225, 300, 375, 450, 525, 600, and so on.
Factors: 1, 3, 5, 9, 15, 45 Multiples: 45, 90, 135, 180, 225...
75, 150, 225, 300, 375
75, 150, 225, 300, 375
75, 150, 225, 300, 375
15--15,30,45,60,75 25--25,50,75,100,125
Common multiples of 15 and 25 are all multiples of 75. That is because 75 is the least common multiple of 15 and 25. So they are 75, 150, 225, etc. Just keep multiplying 75 by 4,5,6...etc.
15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225 . . . ∞
225, 450, 675, 900, and 1125.
15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225 . . . ∞
15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225 . . . ∞