447 and Level 6

447 is the hypotenuse for one Pythagorean triple: 153-420-447. Each of the numbers in the triple are divisible by 3. If you divide each of them by 3, you will discover the Primitive triple that this Pythagorean triple is based on and find one of 447’s factor pairs.

447 Puzzle

Print the puzzles or type the factors on this excel file: 10 Factors 2015-03-30

  • 447 is a composite number.
  • Prime factorization: 447 = 3 x 149
  • The exponents in the prime factorization are 1 and 1. Adding one to each and multiplying we get (1 + 1)(1 + 1) = 2 x 2 = 4. Therefore 447 has exactly 4 factors.
  • Factors of 447: 1, 3, 149, 447
  • Factor pairs: 447 = 1 x 447 or 3 x 149
  • 447 has no square factors that allow its square root to be simplified. √447 ≈ 21.1424

447 Logic

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