A Multiplication Based Logic Puzzle

239 and Level 2

  • 239 is a prime number.
  • Prime factorization: 239 is prime and cannot be factored.
  • The exponent of prime number 239 is 1. Adding 1 to that exponent we get (1 + 1) = 2. Therefore 239 has exactly 2 factors.
  • Factors of 239: 1, 239
  • Factor pairs: 239 = 1 x 239
  • 239 has no square factors so its square root cannot be simplified. √239 ≈ 15.4596

How do we know that 239 is a prime number? If 239 were not a prime number, then it would be divisible by at least one prime number less than or equal to √239 ≈ 15.4596. Since 239 cannot be divided evenly by 2, 3, 5, 7, 11, or 13, we know that 239 is a prime number.

2014-38 Level 2

Print the puzzles or type the factors on this excel file: 12 Factors 2014-09-22

2014-38 Level 2 Factors

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

Tag Cloud