How did they get 25 here?Quote:

IF m is divisible by 5 what is the largest number that must be evenly divisible into 5m + 25 ? Ans=25

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- Jun 24th 2012, 08:57 PMMikeNoobDivisibility problemQuote:

IF m is divisible by 5 what is the largest number that must be evenly divisible into 5m + 25 ? Ans=25

- Jun 24th 2012, 09:33 PMbiffboyRe: Divisibility problem
- Jun 24th 2012, 10:56 PMDevenoRe: Divisibility problem
honestly, it seems the correct answer is 5m + 25, which surely divides 5m + 25 (and may be bigger than 25, if m is larger than 5).

- Jun 24th 2012, 11:17 PMbiffboyRe: Divisibility problem
I take 'evenly divisible by 25' to mean not the number itself. I take the question to mean what is the largest number that will divide into 5m+25 for all m.

- Jun 24th 2012, 11:34 PMMikeNoobRe: Divisibility problem