if there exists a prime number p such that 2n p-1
由 EW Weisstein 著作 · 2002 · 被引用 2 次 — and 2n-2 . Equivalently, if n>1 , then there is always at least one prime p such that n<p<2n . The conjecture was first made by Bertrand in 1845 (Bertrand 1845; ... ,Given n>2. So for every integer x such that 1<x<(n+1), we have x|n! and x⧸|(n!−1). ∴ either (n!−1) is a prime, or ∃ a prime p≥(n+1) such that p|(n!−1). So in ...
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if there exists a prime number p such that 2n p-1 相關參考資料
Bertrand's postulate - Wikipedia
In number theory, Bertrand's postulate is a theorem stating that for any integer n > 3 -displaystyle n>3} n>3 , there always exists at least one prime number p ... https://en.wikipedia.org Bertrand's Postulate -- from Wolfram MathWorld
由 EW Weisstein 著作 · 2002 · 被引用 2 次 — and 2n-2 . Equivalently, if n>1 , then there is always at least one prime p such that n<p<2n . The conjecture was first made by Bertrand in 1845 (Bertr... https://mathworld.wolfram.com For all $n>2$ there exists a prime number between $n$ and ...
Given n>2. So for every integer x such that 1<x<(n+1), we have x|n! and x⧸|(n!−1). ∴ either (n!−1) is a prime, or ∃ a prime p≥(n+1) such that p|(n!−1). So in ... https://math.stackexchange.com If 2^n-1 is prime, then so is n - The Prime Pages
Here we prove that if 2^n-1 is prime, then so is n. This is a key proof in understanding the Mersenne numbers. https://primes.utm.edu On the Interval [n,2n]: Primes, Composites and Perfect Powers ...
由 GA Paz 著作 · 2013 · 被引用 3 次 — Lemma 6.2. If a is a positive integer, then for every integer n > 12a there exists at least one prime number p such that n<ap< ... http://emis.impa.br On The Prime Numbers In Intervals
由 KD Balliet 著作 · 2017 · 被引用 2 次 — there exists a prime number p such that n2 <p< (n + 1)2+ε for any ε > 0 ... 1 · 2 ···n . The product of primes between 4n and 5n, if there are any, ... https://arxiv.org Proof of Bertrand's postulate Chebyshëv's theorem
So C1 = 2, C2 = 6, etc. Lemma 1. For all integers n > 0,. Cn ≥. 4n. 2n . Proof. 4n = (1 + 1)2n ... For any integer n, none of the prime powers in the prime factorization of Cn exceed. 2n. ... For a... https://sites.math.washington. Proof of Bertrand's postulate - Wikipedia
n < p < 2n, because we assumed there is no such prime number;; 2n / 3 < p ≤ n: by Lemma 3. Therefore, every prime factor p satisfies p ≤ 2n/3. When ... https://en.wikipedia.org Talk:Bertrand's postulate - Wikipedia
Erdős also proved there always exists at least two prime numbers p with n < p < 2n for all n > 6. ... But there is only such a prime if 2n-1 is prime with a = n-1. https://en.wikipedia.org What is the proof that for every n>1, there exists a prime ...
What is the proof that for every n>1, there exists a prime number p such that n < p < 2n? 1 Answer ... If we write , then the lower bound in exceeds when . Since this ... [1, 2n] is n. The nu... https://www.quora.com |