A Multiplication Based Logic Puzzle

471 and Level 5

471 is the sum of some consecutive prime numbers. One of my readers has listed those primes in the comments.

471 Puzzle

Print the puzzles or type the solution on this excel file:  12 Factors 2015-04-20

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  • 471 is a composite number.
  • Prime factorization: 471 = 3 x 157
  • 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 471 has exactly 4 factors.
  • Factors of 471: 1, 3, 157, 471
  • Factor pairs: 471 = 1 x 471 or 3 x 471
  • 471 has no square factors that allow its square root to be simplified. √471 ≈ 21.70253

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471 Logic

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Comments on: "471 and Level 5" (2)

  1. abyssbrain said:

    This is a lot easier than the last one 🙂

    151 + 157 + 163 = 471

    Liked by 1 person

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