Question
Determine how many composite
numbers exist between 61 and 99?Solution
ATQ, Total numbers between 61 to 99 = (99 - 61 + 1) = 39 Prime numbers between 61 to 99 = 61, 67, 71, 73, 79, 83, 89, 97 = 8 numbers So, required count of composite numbers = (39 - 8) = 31
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