Answer:
187
Step-by-step explanation:
Least common multiple:
To find the required number,
- Find the LCM of 30 , 36 and 45
- Then add 7 to the LCM
30 = 2 * 3 * 5
36 = 2 * 2 * 3 * 3 = 2² * 3²
45 = 2 * 3 * 3 = 2 *3²
LCM = 2² * 3² * 5
= 4 * 9 * 5
= 180
Required number = 180 + 7
= 187
