Prime Factors Worksheet - Ti-15 Explorer, W2 Page 5

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Student Worksheet 2
W2
TI-15 Explorer
: Prime Factors
6. F ind a number with exactly 6 different factors. How many others are there with exactly
6 different factors.
(Hint: 8 = 2 x 2 x 2 = 2
which has 4 factors : 1, 2, 4 and 8)
3
7. Find a number with exactly 6 different PRIME factors. How many others are there?
8. Find the SMALLEST number with exactly 6 factors, which need not be prime factors.
9. Challenge: Find the smallest number with exactly 20 factors.
W2


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