The LCM of 40, 20, 195 and 160 is:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 6240 .
Prime factorization,
40 = 23 × 5
20 = 22 × 5
195 = 3 × 5 × 13
160 = 25 × 5
LCM = 25 × 3 × 5 × 13
= 32 × 3 × 5 × 13
= 6240