1981 AHSME Problems/Problem 7
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Problem 7
How many of the first one hundred positive integers are divisible by all of the numbers 
, 
, 
, and 
?
Solution
The least common multiple of 2, 3, 4, and 5 is 
There is only one multiple of 60 between 0 and 100, so the answer is 
-edited by coolmath34
