# 1088 and Level 2

This puzzle has three rows with three numbers in each and three columns with three numbers in each. Find the biggest number that is 10 or less that is a common factor of each set of three numbers, and you will be well on your way of solving the entire puzzle. Can you do it? Print the puzzles or type the solution in this excel file: 10-factors-1087-1094

Now I’ll share some information about the number 1088:

• 1088 is a composite number.
• Prime factorization: 1088 = 2 × 2 × 2 × 2 × 2 × 2 × 17, which can be written 1088 = 2⁶ × 17
• The exponents in the prime factorization are 6, and 1. Adding one to each and multiplying we get (6 + 1)(1 + 1) = 7 × 2 = 14. Therefore 1088 has exactly 14 factors.
• Factors of 1088: 1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088
• Factor pairs: 1088 = 1 × 1088, 2 × 544, 4 × 272, 8 × 136, 16 × 68, 17 × 64, or 32 × 34
• Taking the factor pair with the largest square number factor, we get √1088 = (√64)(√17) = 8√17 ≈ 32.98485 Since 1088 = 32 × 34, we know the next number will be a square number.

1088 is the hypotenuse of a Pythagorean triple:
512-960-1088 which is (8-15-17) times 64

1088 is the sum of two consecutive prime numbers:
541 +547 = 1088

1088 looks interesting when written in some other bases:
It’s 3113 in BASE 7 because 3(7³) + 1(7²) + 1(7) +3(1) = 1088,
WW in BASE 33 (W is 32 base 10) Because 32(33) + 32(1) = 32(33 + 1) = 1088,
and it’s W0 in BASE 34 because 32(34) = 1088

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