Prime Number Fun

Can you find four consecutive prime numbers that add up to 220 ?

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October 17th, 2015 | Category: Mathematical |  Email This Riddle

8 guesses to Prime Number Fun

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• Crabman

  October 17, 2015 at 9:44 AM

  47, 53, 59, 61

  We use to play with primes in math class all the time. Off the top of my head I knew 2 consecutively that added to 100 (47, 53)

• Crabman

  October 17, 2015 at 10:49 AM

  Ps… a graphic of Optimus Prime would have went well here. Next one :)

• Frank

  October 18, 2015 at 5:46 PM

  Is this possible? I interpret consecutive as 4 numbers immediately after each other.
  http://dictionary.reference.com/browse/consecutive

• Lehcar

  October 18, 2015 at 6:16 PM

  51+53+57+59=220

• Crabman

  October 18, 2015 at 6:19 PM

  @Frank, the riddle says “four consecutive PRIME” numbers, not “four consecutive numbers that are also prime”. In math we talk about consecutive primes all the time.

  3, 5, 7, 11 is an example of four consecutive prime numbers. 3, 7, 13, 19 are four non-consecutive prime numbers.

  For completeness, 2 & 3 are the only consecutive numbers that are also prime.

• NutButt

  October 18, 2015 at 6:19 PM

  47, 53, 59, 61

• Crabman

  October 18, 2015 at 6:27 PM

  @Lehcar. 57 isn’t a prime; its divisible by 3 & 19.

• Dude

  October 19, 2015 at 11:47 AM

  Crabman, you are today’s winner!
  47 + 53 + 59 + 61 = 220