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A152309
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Primes p such that the multiplicative order of 2 modulo p is (p-1)/9.
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2
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397, 7867, 10243, 10333, 12853, 13789, 14149, 14293, 14563, 15643, 17659, 18379, 18541, 21277, 21997, 23059, 23203, 26731, 27739, 29179, 29683, 31771, 34147, 35461, 35803, 36541, 37747, 39979, 40213, 40429, 41131, 41491, 44029, 44101
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OFFSET
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1,1
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LINKS
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PROG
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(Magma) [ p: p in PrimesUpTo(44101) | r eq 1 and Order(R!2) eq q where q, r is Quotrem(p, 9) where R is ResidueClassRing(p) ];
(PARI) Vec(select(p->((p!=2) && (znorder(Mod(2, p)) == (p-1)/9)), primes(10000))) \\ Michel Marcus, Feb 09 2015
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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