golriz
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You have 6 copies of each of the numbers 2,3,5,7. How many different numbers can be obtained as the product of between 2 and 4 of your numbers?
How Many Different Numbers Can You Obtain?
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You have 6 copies of each of the numbers 2,3,5,7. How many different numbers can be obtained as the product of between 2 and 4 of your numbers?
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any ideas? - as a first easy step, i would notice the 2,3,5,7 share no factors as they are prime
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