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| Ex: 3 x 8 = 24 and 3 x 12 = 36. | 3 is a common factor of 24 and 36. | ||
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The greatest common factor of
two numbers is the largest number that is a common factor of both.
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< Previous Lesson - Top of Page ^ - Next Lesson >
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A common multiple of two numbers is a number
that is a multiple of both. Ex: 8 x 10 = 80 and 20 x 4 = 80 80 is a common multiple of 8 and 20. The least common multiple of two numbers is the smallest number that is a common multiple of both.
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| 6,9 | 10,55 | 35,42 | 30,45 |
| 9,27 | 18,48 | 25,50 | 12,20 |
| 21,30 | 4,32 | 22,55 | 60,100 |
