Answer:
okey that's a good question
Step-by-step explanation:
90 120 150 |2•
45 60 75 |3•
15 20 25 |5•
3 4 5 |3
1 4 5 |4
1 1 5 |5
1 1 1
if we want to find which number is greatest number to divide we must multiply by 2, 3 and 5 because they are common number to divide
