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## Greatest Common Factor and Least Common Multiples GCF and LCM

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**Greatest Common Factor and Least Common MultiplesGCF and LCM****Factor:An integer that divides evenly (no remainder) into a**numberFactors of 6 are: 1, 2, 3, 6**Multiple:The product of a number and any natural numberSome**multiples of 6: 6, 12, 18, 24……**You simply write out all the factors for each number. Then**find the greatest number. I like to circle the numbers by using columns.**List the factors of 60:1,2,3,4,5,6,10,12,15,20,30,60List the**factors of 961,2,3,4,6,8,12,16,24,32,48,96find the largest factor - 12**Multiples of 12 are…12,24,36,48,60,72,….Multiples of 18**are…18,36,54,72,90,108,…The smallest multiple the 2 numbers have in common is the least common multiple.