Try solving this level 4 puzzle. If you need help with it, I explain the steps in the video below the puzzle:

Print the puzzles or type the solution in this excel file: 10 Factors 1347-1356

Now I’ll tell you a little bit about the puzzle number, 1353:

- 1353 is a composite number.
- Prime factorization: 1353 = 3 × 11 × 41
- 1353 has no exponents greater than 1 in its prime factorization, so √1353 cannot be simplified.
- The exponents in the prime factorization are 1, 1, and 1. Adding one to each exponent and multiplying we get (1 + 1)(1 + 1)(1 + 1) = 2 × 2 × 2 = 8. Therefore 1353 has exactly 8 factors.
- The factors of 1353 are outlined with their factor pair partners in the graphic below.

1353 is the hypotenuse of a Pythagorean triple:

297-1320-1353 which is **33** times (9-40-**41**)

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