Question

find the LCM of 21,25,27,35,
A)4725
B)2547
C)5427
D)7425
E)5274

Answer 1

3 | 21, 25, 27, 35

7 | 7, 25, 9, 35

5 | 1, 25, 9, 5

| 1, 5, 9, 1

LCM = 3 x 7 x 5 x 5 x 9 = 4725

Option (A) is correct.