# Find the greatest number that divides 141,186,231 and remainder is 1 in each case.

2
by amrendraarya

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by amrendraarya

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=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

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

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.

∴

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