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# Some math ffffffuuuuuuu’s

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2 thoughts on “Some math ffffffuuuuuuu’s”

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John Doemultiplying primes together and adding 1 doesn’t always yield a prime. For instance, 2*3*5*7*11*13+1 is composite. Check wolfram alpha.

JanJohn Doe: Yes, but if it can be divided by some number, the number is not amongst those primes.

e.g. 2*3*5*7*11*13+1 is 59*509, which means “two new primes instead of one” ðŸ™‚