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Answer: Hi, The course does not require any prerequisite, and is very basic, so is suitable for the first year engineering students too. You can look at the books by David Burton or by Niven-Zuckerman-Montgmmery which contain lots of examples. I think Prof. Sudhir Ghorpade of IIT Bombay is preparing a video course on Number Theory, which may be uploaded soon. I think primality testing, factorization methods and cryptography may be specially of interest to students of computer science.

Answer: Thanks for pointing out the error which actually occurs in lecture 2 rather than lecture 1. The correct expression would be r=a-dq=a-q(ax_{0}+by_{0})=a(1-qx_{0})+b(-qy_{0}) in place of r=a-dq=a-(ax_{0}+by_{0})=a(1-x_{0})+b(-y_{0}).

Answer: Hi, The course does not require any prerequisite, and is very basic, so is suitable for the first year engineering students too. You can look at the books by David Burton or by Niven-Zuckerman-Montgmmery which contain lots of examples. I think Prof. Sudhir Ghorpade of IIT Bombay is preparing a video course on Number Theory, which may be uploaded soon. I think primality testing, factorization methods and cryptography may be specially of interest to students of computer science.

Answer: Thanks for pointing out the error which actually occurs in lecture 2 rather than lecture 1. The correct expression would be r=a-dq=a-q(ax_{0}+by_{0})=a(1-qx_{0})+b(-qy_{0}) in place of r=a-dq=a-(ax_{0}+by_{0})=a(1-x_{0})+b(-y_{0}).