1) Is there a no. which has no factor
2) From 1 to 100 how many no. have exactly three factor
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1) Is there a no. which has no factor
2) From 1 to 100 how many no. have exactly three factor
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Answer:
1. Since every number has two factors i.e. 1 and itself .Hence there are no counting number having no factor at all.
2. the numbers between 1 and 100 with exactly 3 factors are 4,9,49,25.
Hope it helps.
Answer:
The moment of inertia of an uniform solid cylinder about it's geometrical axis is 8 units. The moment of inertia about the axis tangential to one of plane circular faces, i.e., about diameter of the circular base is (length of cylinder is 3 times it's radius)