Mathematics
NULL
Medium
Question
The least square number which is exactly divisible by 8, 12 and 18 is ________?
A
100
B
121
C
64
D
144
✓ Official correct answer
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
100
No member explanations yet for this option.
B
121
No member explanations yet for this option.
C
64
No member explanations yet for this option.
D
144
No member explanations yet for this option.
Explanation
LCM(8,12,18) = 72 = 2³ × 3². Multiply by 2 to make a square ⇒ 144.