It is: 1833
LCD(39, 78) = 78
1410
39 OBVIOUSLY cuz theres no way 47 can be bigger than 39
It is: 39
LCD(49, 21) = 147
75+2(32)+4(39)+47 =75+64+156+47 =75+220+47 =122+220 =342
86 - 47 = 39
13 is a prime number and 39 is a multiple of 13. 39 is the LCD of 13 and 39.
39 + 8 = 47
86
first lets start where lcd's where invented: they where invented by Hans lcd who was king of timbuktoo and gave them to the rest of the world by military force
37, 41, 47, 53, yes. 35, 39, no.