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Problem: Can all prime factors of $(a^{b \times c} - 1)$ be consecutive primes when $a, b, c \geq 3$ ?

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    Would things like $17^2\cdot 19^7\cdot 23$ be allowed as factorization or only $17\cdot 19\cdot 23$?2017-02-26
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    No $a=b=c=3$ So $a^{bc}-1=19682$ which factorise as 2*13*7572017-02-26
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    @DonaldSplutterwit You answered to "Must ..." not "Can ..:"2017-02-26
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    @HagenvonEitzen ... right, my bad :-)2017-02-26
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    @HagenvonEitzen , yes, power factor is allowed.2017-02-26

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