219 and Level 1

  • 219 is a composite number.
  • Prime factorization: 219 = 3 x 73
  • The exponents in the prime factorization are 1 and 1. Adding one to each and multiplying we get (1 + 1) x (1 + 1) = 2 x 2 = 4. Therefore 219 has 4 factors.
  • Factors of 219: 1, 3, 73, 219
  • Factor pairs: 219 = 1 x 219 or 3 x 73
  • 219 has no square factors so its square root cannot be simplified. √219 ≈ 14.799

2014-35 Level 1

Excel file of puzzles and previous week’s factor solutions: 10 Factors 2014-09-01

2014-35 Level 1 Factors

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2 thoughts on “219 and Level 1

  1. Your fourth bullet point, about the exponents, is completely new to me. I don’t really get it yet, but I’m working on it!

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