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Course notes (chap. 1 Number Theory, chap. 2 ... - McGill University

Course notes (chap. 1 Number Theory, chap. 2 ... - McGill University

Course notes (chap. 1 Number Theory, chap. 2 ... - McGill University

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EXAMPLE<br />

use CRT on the following 4 systems<br />

√a ≡ 4 (mod 37) √a ≡ 4 (mod 43)<br />

√a ≡ 4 (mod 1591)<br />

√a ≡ 4 (mod 37) √a ≡ 39(mod 43)<br />

√a ≡ 1114 (mod 1591)<br />

√a ≡ 33(mod 37) √a ≡ 4 (mod 43)<br />

√a ≡ 477 (mod 1591)<br />

√a ≡ 33(mod 37) √a ≡ 39(mod 43)<br />

√a ≡ 1587 (mod 1591)

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