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4 + 1 + 7 = 12, a multiple of three, so 417 can be evenly divided by three. Its other factors are listed below the puzzle.
The colors for today’s puzzle use the same key that puzzle 414 used and 422 will use, even though none of the squares here are blue. If I had colored the actual number 417, it would be blue. Also if I colored the number 414 it would have been green.
Print the puzzles or type the factors on this excel file: 10 Factors 2015-03-02
- 417 is a composite number.
- Prime factorization: 417 = 3 x 139
- 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 417 has exactly 4 factors.
- Factors of 417: 1, 3, 139, 417
- Factor pairs: 417 = 1 x 417 or 3 x 139
- 417 has no square factors that allow its square root to be simplified. √417 ≈ 20.4206
