Find adjacent primes which differ by a square integer: Difference between revisions
Find adjacent primes which differ by a square integer (view source)
Revision as of 20:09, 21 November 2021
, 2 years ago→{{header|Julia}}
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println("Showing all $n with square difference $sq:")
pairs = [(pri[i], pri[i + 1]) for i in findall(x -> x == sq, diffs)]
foreach(p -> print(last(p), first(p) % 4 == 0 ? "\n" : " "), enumerate(pairs))
else
println("Square difference $sq: $n found. Example: ($(pri[i]), $(pri[i + 1])).")
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Square prime gaps to 1000000:
Square difference 1: 1 found. Example: (2, 3).
Square difference 4: 8143 found. Example: (7, 11).
Square difference 16: 2881 found. Example: (1831, 1847).
Square difference 36: 767 found. Example: (9551, 9587).
Showing all 24 with square difference 64:
(89689, 89753) (107377, 107441) (288583, 288647) (367957, 368021)
(381103, 381167) (400759, 400823) (445363, 445427) (623107, 623171)
(625699, 625763) (637003, 637067) (710713, 710777) (725209, 725273)
(779413, 779477) (801883, 801947) (803749, 803813) (821677, 821741)
(832519, 832583) (844777, 844841) (883807, 883871) (912103, 912167)
(919447, 919511) (954763, 954827) (981823, 981887) (997813, 997877)
Showing all 2 with square difference 100:
(396733, 396833) (838249, 838349)
Square prime gaps to 10000000000:
Square difference 1: 1 found. Example: (2, 3).
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