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Greatest Prime factor

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by beatthegmat » Mon Nov 05, 2007 5:57 pm
Moved to PS forum area...
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by samirpandeyit62 » Mon Nov 05, 2007 9:12 pm
4^17- 2^28

= 2^34 -2^28 = 2^28(2^6 -1) = 2^28 (63)

so greartest prime factor = 7
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Samir
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