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  2. Greatest common divisor - Wikipedia

    en.wikipedia.org/wiki/Greatest_common_divisor

    The greatest common divisor (GCD) of integers a and b, at least one of which is nonzero, is the greatest positive integer d such that d is a divisor of both a and b; that is, there are integers e and f such that a = de and b = df, and d is the largest such integer.

  3. Table of prime factors - Wikipedia

    en.wikipedia.org/wiki/Table_of_prime_factors

    A perfect power has a common divisor m > 1 for all multiplicities (it is of the form a m for some a > 1 and m > 1). The first: 4, 8, 9, 16, 25, 27, 32, 36, 49, 64, 81, 100 (sequence A001597 in the OEIS). 1 is sometimes included. A powerful number (also called squareful) has multiplicity above 1 for all prime factors.

  4. Euclidean algorithm - Wikipedia

    en.wikipedia.org/wiki/Euclidean_algorithm

    Calculating a greatest common divisor is an essential step in several integer factorization algorithms, [80] such as Pollard's rho algorithm, [81] Shor's algorithm, [82] Dixon's factorization method [83] and the Lenstra elliptic curve factorization. [84]

  5. Divisor - Wikipedia

    en.wikipedia.org/wiki/Divisor

    The divisors of 10 illustrated with Cuisenaire rods: 1, 2, 5, and 10. In mathematics, a divisor of an integer , also called a factor of , is an integer that may be multiplied by some integer to produce . [1] In this case, one also says that is a multiple of .

  6. Lowest common factor - Wikipedia

    en.wikipedia.org/wiki/Lowest_common_factor

    Lowest common factor may refer to the following mathematical terms: Greatest common divisor, also known as the greatest common factor; Least common multiple;

  7. Factorial - Wikipedia

    en.wikipedia.org/wiki/Factorial

    The greatest common divisor of the values of a ... programming. [81] ... of bits in the corresponding products decrease by a constant factor at each level ...

  8. Liberals accuse elderly husband of US senator of snubbing ...

    www.aol.com/news/liberals-accuse-elderly-husband...

    Liberals accuse elderly husband of US senator of snubbing Harris’ handshake — here’s what really happened

  9. Integer factorization - Wikipedia

    en.wikipedia.org/wiki/Integer_factorization

    Continuing this process until every factor is prime is called prime factorization; the result is always unique up to the order of the factors by the prime factorization theorem. To factorize a small integer n using mental or pen-and-paper arithmetic, the simplest method is trial division : checking if the number is divisible by prime numbers 2 ...