IN MATH: 1. n. the largest number which is a factor of each of the numbers. EX. When reducing fractions it is important to find the gcf of the numerator and denominator.

IN ENGLISH: 1. as defined above.
APPLICATION: (see list 30)
Find the gcf:
1. 30 and 45  2. 4, 5, and 3  3. 9 and 25  4. 14, 24, and 28 
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