### Today’s Puzzle:

Using logic, write all the numbers from 1 to 10 in both the first column and the top row of this puzzle so that those numbers are the factors of the given clues.

### Factors of 1655:

- 1655 is a composite number.
- Prime factorization: 1655 = 5 × 331.
- 1655 has no exponents greater than 1 in its prime factorization, so √1655 cannot be simplified.
- The exponents in the prime factorization are 1 and 1. Adding one to each exponent and multiplying we get (1 + 1)(1 + 1) = 2 × 2 = 4. Therefore 1655 has exactly 4 factors.
- The factors of 1655 are outlined with their factor pair partners in the graphic below.

### More About the Number 1655:

1655 is the hypotenuse of a Pythagorean triple:

993-1324-1655, which is (3-4-**5**) times **331**.