Results 21 to 30 of about 992 (177)

Mersenne's Numbers [PDF]

open access: yesNature, 1911
I DESIRE to announce the discovery which I have made that (2181 —;1) is divisible by 43441. This leaves only 16 of the numbers (2q — 1) originally reported composite by Mersenne, still unverified. I have submitted my determination to Lt.—Col. Allan Cunningham, R.E., who has kindly verified it.
openaire   +1 more source

Mersenne's Numbers [PDF]

open access: yesNature, 1912
AT various times NATURE has inserted notices of the successive discoveries in relation to Mersenne's Numbers. In the issue of August 12, 1909, Colonel Cunningham's discovery that 228479 was a factor of 2P−1 when p = 71 was announced: the other factor was 10334355636337793, but whether this was a prime or not was left undetermined.
openaire   +2 more sources

On Mersenne's Numbers [PDF]

open access: yesNature, 1895
IN 1644 the mathematician Mersenne asserted that out of the 56 primes not < 257, there were only 12 primes, viz.:—
openaire   +2 more sources

Fermat numbers and Mersenne numbers [PDF]

open access: yesMathematics of Computation, 1964
This paper gives details of the computations made on an IBM 7090 computer to show that the Fermat number \(F_m = 2^{2^m} +1\) is composite for \(m=14\), and that all the Mersenne numbers \(M_p=2^p-1\) \((5000 < p < 6000)\) are composite. The method used to show that the Fermat number is composite was to compute \(3^{2^n}\) modulo \(F_m\).
Selfridge, J. L., Hurwitz, Alexander
openaire   +2 more sources

Security Analysis of LNMNT-LightWeight Crypto Hash Function for IoT

open access: yesIEEE Access, 2021
Conventional cryptographic techniques are inappropriate for resource-constrained applications in the Internet of Things (IoT) domain because of their high resources requirement.
Nubila Nabeel   +2 more
doaj   +1 more source

Human Randomness in the Rock-Paper-Scissors Game

open access: yesApplied Sciences, 2022
In this study, we investigated the human capacity to generate randomness in decision-making processes using the rock-paper-scissors (RPS) game. The randomness of the time series was evaluated using the time-series data of RPS moves made by 500 subjects ...
Takahiro Komai   +2 more
doaj   +1 more source

Security Evaluation of Y00 Protocol Based on Time-Translational Symmetry Under Quantum Collective Known-Plaintext Attacks

open access: yesIEEE Access, 2021
In this paper, we concretely formulate to derive the attacker's success probability of obtaining the shared secret keys for the Y00 protocol under a combination of a quantum collective attack with infinitely-long known-plaintext, naming it “ ...
Takehisa Iwakoshi
doaj   +1 more source

Application of Statistical Shape Models to Standard Lumbar MRI for Stenosis Treatment Stratification: Severe Versus Normal Stenosis [PDF]

open access: yesJOR Spine
Statistical shape models (SSMs) derived from standard 2D lumbar MRIs capture coordinated morphological features that distinguish severe from normal spinal stenosis. Both intervertebral disc and combined models provide strong discriminatory power, comparable to or exceeding traditional anatomical measurements.
Foltz M   +4 more
europepmc   +2 more sources

The q-Integers and the Mersenne Numbers [PDF]

open access: yesSSRN Electronic Journal, 2018
Here we will show that the q-integers, the q-analogue of the integers that we can find in the q-calculus, are forming an additive group having a generalized sum similar to the sum of the Tsallis q-entropies of independent systems. The symmetric form of q-integers will be studied too.
openaire   +2 more sources

MERSENNE AND HADAMARD MATRICES CALCULATION BY SCARPIS METHOD [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2014
Purpose. The paper deals with the problem of basic generalizations of Hadamard matrices associated with maximum determinant matrices or not optimal by determinant matrices with orthogonal columns (weighing matrices, Mersenne and Euler matrices, ets ...
N. A. Balonin   +2 more
doaj  

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