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A number is said to be divisible by if is a divisor of .
The function Divisible[n, d] returns True if an integer is divisible by an integer .
The product of any consecutive integers is divisible by . The sum of any consecutive integers is divisible by if is odd, and by if is even.
REFERENCES:
Guy, R. K. "Divisibility." Ch. B in Unsolved Problems in Number Theory, 2nd ed. New York: Springer-Verlag, pp. 44-104, 1994.
Jones, G. A. and Jones, J. M. "Divisibility." Ch. 1 in Elementary Number Theory. Berlin: Springer-Verlag, pp. 1-17, 1998.
Nagell, T. "Divisibility." Ch. 1 in Introduction to Number Theory. New York: Wiley, pp. 11-46, 1951.
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أول صور ثلاثية الأبعاد للغدة الزعترية البشرية
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