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April 17, 2015

Posted by **Katherine** on Monday, November 30, 2009 at 4:52pm.

- math -
**bobpursley**, Monday, November 30, 2009 at 5:02pmwith your multiples of 7, figure out which multple of 7 will be multiples of the other+1

for instance, take the multiple of 7 : 49

is 48 divisible by 2,3,4,5,6? Yes, on 2,3,4,6, but not five. So try another multiple of 7

- math -
**MathMate**, Monday, November 30, 2009 at 5:10pmSince divided into bags of 2,3,4,5,6, all left one cookie, we have also another way.

Find the LCM (lowest common multiple) of 2,3,4,5,6. Call this L.

Check if L+1 is divisible by 7. If it is, L is your answer. If it is not, try 2L+1, 3L+1, ... until it is divisible by 7. You will not have to try more than 7 times.

If you are not sure how to find the LCM of 2,3,4,5,6, post again.

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