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| capable of being divided. |
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a positive integer that is not divisible without remainder by any integer except itself and 1, with 1 often excluded:
The integers 2, 3, 5, and 7 are prime numbers. |
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| a number that is a multiple of at least two numbers other than itself and 1. |
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| the process of decomposing a number into its constituent prime numbers; the calculation of all prime factors in a number; also called [ prime decomposition ] |
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| A special diagram where you find the factors of a number, then the factors of those numbers, etc until you can't factor any more. |
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| When you find the factors of two or more numbers, and then find some factors are the same ("common"), then they are the "common factors". |
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| The highest number that divides exactly into two or more numbers. |
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| a number usually expressed in the form a/b. |
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| Fractions which have the same value, even though they may look different. |
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| A fraction is in simplest form when the top and bottom cannot be any smaller (while still being whole numbers). |
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| The result of multiplying a number by an integer (not by a fraction). |
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A common multiple is a number that results from the multiplication of two whole numbers larger than 1.
To find the common multiple of two numbers, first write the multiples of both the numbers and then choose all the common multiples. |
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| The smallest positive number that is a multiple of two or more numbers. |
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The smallest number that can be used for all denominators of 2 or more fractions:
• the "Denominator" is the bottom number of a fraction.
• fractions have "Common Denominators" when their denominators are the same.
• the "Least Common Denominator" is the smallest number that can be used for all denominators of 2 or more fractions. |
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