Three Titanics

Three steamers sailed from the same port on the same day. The first came back on the third day, fourth 4th day and the third returned sixth day. How many days after leaving the steamers met again in the harbor?

Correct result:

n =  12

Solution:

3 ... primenumber 4=22 6=23 LCM(3,4,6)=223=12  n=LCM(3,4,6)=12



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