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Last edited by yellow4321; Mar 6th 2008 at 06:11 AM.
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Hello, yellow4321! Here's a rather primitive method . . . Calculate: . We have: . Then: . . . and we find that: . Therefore: .
I learnt fermat's little theorem in the form if p is prime. This applies quite easily to your problem with p = 73
Last edited by badgerigar; Jan 17th 2008 at 05:34 PM. Reason: forgot math tags
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Last edited by yellow4321; Mar 24th 2008 at 10:36 AM.
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