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Topic: multiplication of first n primes + 1 = not prime (Read 398 times) |
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riddler358
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multiplication of first n primes + 1 = not prime
« on: Sep 15th, 2014, 3:04pm » |
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can u find first non prime number that can be created by multiplying first n primes and adding 1?
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| « Last Edit: Sep 15th, 2014, 3:04pm by riddler358 » |
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rmsgrey
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Re: multiplication of first n primes + 1 = not pri
« Reply #1 on: Sep 15th, 2014, 3:07pm » |
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Yes.
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towr
wu::riddles Moderator
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Re: multiplication of first n primes + 1 = not pri
« Reply #2 on: Sep 15th, 2014, 10:56pm » |
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2*3*5*7*11*13+1 = 30031 = 59*509
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Annettagiles
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Re: multiplication of first n primes + 1 = not pri
« Reply #3 on: Sep 22nd, 2014, 4:44am » |
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Sorry I could not find the answer could anyone please tell me the answer
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towr
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Re: multiplication of first n primes + 1 = not pri
« Reply #4 on: Sep 22nd, 2014, 8:50am » |
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on Sep 22nd, 2014, 4:44am, Annettagiles wrote:| Sorry I could not find the answer could anyone please tell me the answer |
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The answer is hidden in the orange line in my previous post. If you select the text in it, it'll be readable.
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dudiobugtron
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Re: multiplication of first n primes + 1 = not pri
« Reply #5 on: Sep 23rd, 2014, 1:31pm » |
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on Sep 22nd, 2014, 8:50am, towr wrote:
The answer is hidden in the orange line in my previous post. If you select the text in it, it'll be readable.
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Or, if you are using a phone/etc which can't select it, press 'quote' on that message to read the hidden spoiler.
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