Grandchildren 5633

Michal's grandfather has 4 grandchildren. During this year's celebrations, he discovered that he is 7 times older than Michal, six times as old as Vašek, four times as old as Emil, and three times as old as Honza. This situation can only happen once in a lifetime. How many birthdays did Grandpa celebrate?

Correct answer:

n =  84

Step-by-step explanation:

n<150 7 ...  prime number 6=23 4=22 3 ...  prime number LCM(7,6,4,3)=2237=84  n=LCM(7,6,4,3)=84



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