### Today’s Puzzle:

Can you complete this multiplication table puzzle? It’s a level 6, so some of the clues might be a little tricky. Use logic every step of the way, and everything will work out for you!

### Factors of 1679:

- 1679 is a composite number.
- Prime factorization: 1679 = 23 × 73.
- 1679 has no exponents greater than 1 in its prime factorization, so √1679 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 1679 has exactly 4 factors.
- The factors of 1679 are outlined with their factor pair partners in the graphic below.

### More About the Number 1679:

From OEIS.org we learn that

1 + 6 + 7 + 9 = 23, AND 1679 is divisible by 23.

This is cool: 1679 is the smallest multiple of 23 that can make that claim!

1679 is the hypotenuse of a Pythagorean triple:

1104-1265 -1679, which is **23** times (48-55-**73**).