8 Divisibility and prime numbers - Oxford University Press

8.2 Quotient and remainder Given integers x and y it often happens that y does not divide x, which we can write as y /| x. For example, 6 does not divide 27 exactly. But as children we are taught that 6 does ‘go into’ 27 four times with three left over. That is, 27 =6 ×4 +3. The number 4 is called the quotient and 3 is called the remainder ... ................
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