2011The Journal of the Institute of Webcasting, Internet and TelecommunicationRequires access

The n+1 Integer Factorization Algorithm

Myeong-Bok Choi, Sang-Un Lee

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Abstract

It is very difficult to factorize composite number, to integer factorization, p and q that is almost similar length of digits. Integer factorization algorithms, for the most part, find () that is congruence of squares ( (mod )) with using factoring(factor base, B) and get the result, , with taking the greatest common divisor of Euclid based on the formula . The efficiency of these algorithms hangs on finding () and deciding factor base, B. This paper proposes a efficient algorithm. The proposed algorithm extracts B from integer factorization with 3 digits prime numbers of and decides f, the combination of B. And then it obtains (this is, , ) from integer factorization of and gets , ={1,3,7,9}. Our algorithm is much more effective in comparison with the conventional Fermat algorithm that sequentially finds .

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What this paper is about

It is very difficult to factorize composite number, to integer factorization, p and q that is almost similar length of digits. Integer factorization algorithms, for the most part, find () that is congruence of squares ( (mod )) with using factoring(factor base, B) and get the result, , with taking the greatest common divisor of Euclid based on the formula . The efficiency of these algorithms hangs on finding () and deciding factor base, B. This paper proposes a efficient algorithm. The proposed algorithm extracts B from integer factorization with 3 digits prime numbers of and decides f, the combination of B. And then it obtains (this is, , ) from integer factorization of and gets , ={1,3,7,9}. Our algorithm is much more effective in comparison with the conventional Fermat algorithm that sequentially finds .

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Available abstract

It is very difficult to factorize composite number, to integer factorization, p and q that is almost similar length of digits. Integer factorization algorithms, for the most part, find () that is congruence of squares ( (mod )) with using factoring(factor base, B) and get the result, , with taking the greatest common divisor of Euclid based on the formula . The efficiency of these algorithms hangs on finding () and deciding factor base, B. This paper proposes a efficient algorithm. The proposed algorithm extracts B from integer factorization with 3 digits prime numbers of and decides f, the combination of B. And then it obtains (this is, , ) from integer factorization of and gets , ={1,3,7,9}. Our algorithm is much more effective in comparison with the conventional Fermat algorithm that sequentially finds .

Key concepts: Prime factor, Factorization, Integer (computer science), Integer factorization, Mathematics, Greatest common divisor, Dixon's factorization method, Fermat's Last Theorem

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