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  2. Wilson's theorem - Wikipedia

    en.wikipedia.org/wiki/Wilson's_theorem

    In algebra and number theory, Wilson's theorem states that a natural number n > 1 is a prime number if and only if the product of all the positive integers less than n is one less than a multiple of n.

  3. List of theorems - Wikipedia

    en.wikipedia.org/wiki/List_of_theorems

    Noether's theorem (Lie groups, calculus of variations, differential invariants, physics) Noether's second theorem (calculus of variations, physics) Noether's theorem on rationality for surfaces (algebraic surfaces) Non-squeezing theorem (symplectic geometry) Norton's theorem (electrical networks) Novikov's compact leaf theorem

  4. Table of congruences - Wikipedia

    en.wikipedia.org/wiki/Table_of_congruences

    Clement's congruence-based theorem characterizes the twin primes pairs of the form (, +) through the following conditions: [()! +] ((+)), +P. A. Clement's original 1949 paper [2] provides a proof of this interesting elementary number theoretic criteria for twin primality based on Wilson's theorem.

  5. If, for example, the Sun were replaced by a black hole of equal mass, the orbits of the planets would be essentially unaffected. A stellar mass black hole can pull in a substantial inflow of surrounding matter, but only if the star from which it formed was already doing so.

  6. Tim Scott celebrates historic milestone as longest-serving ...

    www.aol.com/news/tim-scott-celebrates-historic...

    With the start of the 119th Congress on Friday, South Carolina Sen. Tim Scott will become the longest-serving Black Senator in the United States. Scott will also serve as the first Black Chairman ...

  7. List of named differential equations - Wikipedia

    en.wikipedia.org/wiki/List_of_named_differential...

    Differential equations play a prominent role in many scientific areas: mathematics, physics, engineering, chemistry, biology, medicine, economics, etc. This list presents differential equations that have received specific names, area by area.

  8. 9 Christmas traditions in England that probably confuse Americans

    www.aol.com/9-christmas-traditions-england...

    There are some Christmas traditions in England that might confuse people from the US.. Some folks in the UK celebrate Christmas with pantomime, a campy, family-friendly theater show. Christmas ...

  9. Wilson quotient - Wikipedia

    en.wikipedia.org/wiki/Wilson_quotient

    The Wilson quotient W(p) is defined as: = ()! + If p is a prime number, the quotient is an integer by Wilson's theorem; moreover, if p is composite, the quotient is not an integer. If p divides W(p), it is called a Wilson prime. The integer values of W(p) are (sequence A007619 in the OEIS): W(2) = 1