A Formula for Composite Numbers

Here we state a theorem that finds composite numbers. Proof will be given elsewhere. Theorem: Let $latex A = \{ a: 1\leq a\leq N\}$ and $latex B = \{b: 1\leq b\leq N\}$ Define $latex x =\frac{a+b+1+\sqrt((a-b)^2+2a+2b+5)}{2}$ for $latex a$ in $latex A$ and $latex b$ in $latex B$. If $latex x\in \mathbb{N}$, then $latex x+1$... Continue Reading →

A New Method of Factoring Large Integers

Abstract In this paper, we reduce a large integer $latex N$ to an integer $latex N^\prime$, which has a smaller number of decimal digits than $latex N$. Then we find the greatest common divisor (gcd) of $latex N$ and $latex N^\prime$ to return a nontrivial factor of $latex N$. Introduction The branch of mathematics that... Continue Reading →

Goldbach Conjecture

According to Golbach's conjecture, every even greater than 2 is the sum of two primes. Here we experimentally demonstrate that it is only true if there are infinitely many primes. Theorem: There are infinitely many primes. Proof: We prove this using Goldbach conjecture. Suppose a finite set of prime numbers P = {p1, p2, …,... Continue Reading →

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