Odd numbers have an odd number in the ones place.
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The least common multiple of two or more numbers is the lowest number that is a multiple of all of the given numbers.
The greatest common factor of two or more numbers is the largest of the common factors that all of the numbers share.
Use least common multiple and/or greatest common factor to find a common denominator for fractions.
When students use the least common multiple to determine common denominators to add or subtract fractions with unlike denominators, the least common multiple may be greater than 12, but will not exceed 60.
determine common multiples and factors, including least common multiple and greatest common factor;