30² + 2² = 904

That means 904 is the hypotenuse of a Pythagorean triple:

• 120-896-904 which is 8 times (15-112-113)

Print the puzzles or type the solution on this excel file: 10-factors-897-904

• 904 is a composite number.
• Prime factorization: 904 = 2 × 2 × 2 × 113, which can be written 904 = 2³ × 113
• The exponents in the prime factorization are 3 and 1. Adding one to each and multiplying we get (3 + 1)(1 + 1) = 4 × 2 = 8. Therefore 904 has exactly 8 factors.
• Factors of 904: 1, 2, 4, 8, 113, 226, 452, 904
• Factor pairs: 904 = 1 × 904, 2 × 452, 4 × 226, or 8 × 113
• Taking the factor pair with the largest square number factor, we get √904 = (√4)(√226) = 2√226 ≈ 30.06659