The LCM of 18, 72, 184 and 144 is:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 3312.
18 = 2 × 3²
72 = 2³ × 3²
144 = 2⁴ × 3²
184 = 2³ × 23
Take highest powers:
2⁴ , 3² , 23
LCM = 2⁴ × 3² × 23
= 16 × 9 × 23
= 144 × 23
= 3312