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Find a number ‘a’ between 0 and 72 with ‘a’ congruent to 9794 mod 73.

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in Cryptograph & Network Security by (60.1k points)
Find a number ‘a’ between 0 and 72 with ‘a’ congruent to 9794 mod 73.

(a) 53

(b) 29

(c) 12

(d) 37

I had been asked this question during an online exam.

The doubt is from Number Theory topic in section More Number Theory of Cryptograph & Network Security

1 Answer

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Best answer
Right choice is (c) 12

The explanation: Use Fermats Theorum.

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