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# Maths [Quick Question] Watch

1. Is there a quick way to find the highest odd factor of
2014 * 2016?
I remember i learnt but i forgot but i broke the numbers down into their prime factors then done something
2. Just keep dividing by 2.
2014 -> 1007
2016 -> 1008 -> 504 -> 252 -> 126 -> 63

1007*63 is the highest odd factor = 63441
3. (Original post by BobBobson)
Just keep dividing by 2.
2014 -> 1007
2016 -> 1008 -> 504 -> 252 -> 126 -> 63

1007*63 is the highest odd factor = 63441
thanks ; I basically done this but longer

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Updated: November 14, 2016
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