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A whole number between 1 and 100 has the special property that it has exactly 6 factors.
One such number is 12 (factors 1,2,3,4,6,12).
Which of these other numbers also has exactly 6 factors?

Class 6Factors and MultiplesPlaying with Numbers
  • A16
  • B18
  • C24
  • D36

Step-by-Step Solution

Factors of 18 are 1,2,3,6,9,18 — exactly 6. 16 has 5 (1,2,4,8,16), 24 has 8, and 36 has 9. So 18 is correct.
Answer: B) 18

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