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If you are familiar with a basic 12 × 12 multiplication table, then you can solve this puzzle. The clues aren’t in the same order as they are in the table, but that only makes it a little more challenging.
Print the puzzles or type the solution in this excel file: 12 Factors 1357-1365
Here’s a little bit about the number 1358:
- 1358 is a composite number.
- Prime factorization: 1358 = 2 × 7 × 97
- 1358 has no exponents greater than 1 in its prime factorization, so √1358 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 1358 has exactly 8 factors.
- The factors of 1358 are outlined with their factor pair partners in the graphic below.
910-1008-1358 which is 14 times (65-72-97)
OEIS.org informs us that 1358!!!! + 1 is a prime number.