Answer:
28390
Step-by-step explanation:
If you take 10*5678=28390
840.
LCM of 5 6 7 and 8,
Write out the prime factors of each number.
5 = 5
6 = 2*3
7 = 7
b = 2*2*2
So the LCM = 2*2*2*3*5*7
= 840.
