HCF

Joe is organising a quiz night. he has to work out how big the teams should be. there will be 72 or 88 contestants. what is the greatest number of people Joe can put in each team?

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hi can you answer this please?
xx_sexymamma_xx
06 December 2011
So to do this we start listing the factors of 72 and 88
chloe
06 December 2011
ok so here we have to find the highest common factor of both 72 and 88 in order to know what is the greatest number of people Joe can put in each team
chloe
06 December 2011
for 72 the factors are {1,2,3,4,6,8,9,12,18,24,36}
chloe
06 December 2011
so its the ones that come up in both factor lists?
xx_sexymamma_xx
06 December 2011
For 88 the factors are {1,2,4,8, 11, 22,44} So the highest common factor of both numbers i 8 so that the greatest number of people he can put in each team
chloe
06 December 2011
yep
chloe
06 December 2011
thank you so so much that was a massive help! thanks again. :)
xx_sexymamma_xx
06 December 2011
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