i prob post on wrong sector but idk where i should post it, sorry

the quest is :

Which (positive) residual obtained when 11^30+5^31-6 divided by 24?

i have got this far

11^30=(11^2)^15=121^15 ==1^15 (mod 24)i cant solve rest :S

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- Sep 22nd 2012, 10:12 AMPetrusnumber theory
i prob post on wrong sector but idk where i should post it, sorry

the quest is :

*Which (positive) residual obtained when 11^30+5^31-6 divided by 24?*

i have got this far

*11^30=(11^2)^15=121^15 ==1^15 (mod 24)*i cant solve rest :S

- Sep 22nd 2012, 10:51 AMMaxJasperRe: number theory
- Sep 22nd 2012, 11:01 AMPetrusRe: number theory
Sorry but i did not get it with 5^31

- Sep 22nd 2012, 12:26 PMSorobanRe: number theory
Hello, Petrus!

You are on the right track . . .

Quote:

Therefore: .

The remainder is zero.

- Sep 22nd 2012, 12:39 PMPetrusRe: number theory
ty sorban ur was clearly and i did understand :P

maxjasper sorry u did not have alot space kinda confused me :P

i was thinking like soo but thought it was wrong