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662 is the sum of the twelve prime numbers from 31 to 79.
Print the puzzles or type the solution on this excel file: 10 Factors 2015-10-26
Here’s the same candy corn puzzle but less colorful.
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- 662 is a composite number.
- Prime factorization: 662 = 2 x 331
- The exponents in the prime factorization are 1 and 1. Adding one to each and multiplying we get (1 + 1)(1 + 1) = 2 x 2 = 4. Therefore 662 has exactly 4 factors.
- Factors of 662: 1, 2, 331, 662
- Factor pairs: 662 = 1 x 662 or 2 x 331
- 662 has no square factors that allow its square root to be simplified. √662 ≈ 25.72936.
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Ricardo tweeted the solution to the puzzle so I’m including it here as well.
@findthefactors solution if needed for the blog 🙂 pic.twitter.com/vuyidAdO9z
— riccardo (@ricca9380) October 30, 2015