If you can find the common factors of the clues in each row or column of this puzzle, then you can solve this puzzle. Be sure to only write numbers from 1 to 10 as those factors, and I’m sure you can succeed.

Print the puzzles or type the solution in this excel file: 10-factors-1242-1250

Here are some facts about the number 1244:

- 1244 is a composite number.
- Prime factorization: 1244 = 2 × 2 × 311, which can be written 1244 = 2
**²**× 311 - The exponents in the prime factorization are 2 and 1. Adding one to each and multiplying we get (2 + 1)(1 + 1) = 3 × 2 = 6. Therefore 1244 has exactly 6 factors.
- Factors of 1244: 1, 2, 4, 311, 622, 1244
- Factor pairs: 1244 = 1 × 1244, 2 × 622, or 4 × 311
- Taking the factor pair with the largest square number factor, we get √1244 = (√4)(√311) = 2√311 ≈ 35.27038

1244 is the sum of the cubes of the first four triangular numbers:

1³ + 3³ + 6³ + 10³ =1244

1244 is a palindrome in a couple of different bases:

It’s 878 in BASE 12 and

282 in BASE 23