Answers

2015-12-26T13:15:54+05:30
=141-1=140
186-1=185
231-1=230
hcf=140=2*2*5* 7
        185=5*3*13
         230=2*5*23
common factor =5
answer= 5

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2015-12-26T13:36:02+05:30
141-1=140
FACTORS OF 140= 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140.
186-1= 185
FACTORS OF 185= 1, 5, 37, 185.
231-1= 230
FACTORS OF 230= 1, 2, 5, 10, 23, 46, 115, 230.
COMMON FACTORS OF 140, 185 AND 230= 1 AND 5.
L.C.M. OF 1 AND 5 = 5.
THE GRATEST NUMBER THAT DIVIDES 141, 186 AND 231 AND REMAINDER IS 1 IN EACH CASE = 5. 

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