• 258 is a composite number.
• Prime factorization: 258 = 2 x 3 x 43
• The exponents in the prime factorization are 1, 1, and 1. Adding one to each and multiplying we get (1 + 1)(1 + 1)(1 + 1) = 2 x 2 x 2 = 8. Therefore 258 has 8 factors.
• Factors of 258: 1, 2, 3, 6, 43, 86, 129, 258
• Factor pairs: 258 = 1 x 258, 2 x 129, 3 x 86, or 6 x 43
• 258 has no square factors that allow its square root to be simplified. √258 ≈ 16.062

Level 6 puzzles aren’t easy. Can you solve this one?

Print the puzzles or type the factors on this excel file: 12 Factors 2014-10-06