


Method and examples


HCF_LCM 



Problem 5 of 11 


5. Find the largest number which divides , , to leave the same remainder in each case.










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HCF_LCM 
5. Find the largest number which divides 77 , 147 , 252 to leave the same remainder in each case.
`"Required number" = "HCF of " ( 147  77 ), ( 252  147 ), ( 252  77 )`
`= "HCF of " 70, 105, 175 = 35`.
Factor of 70,105,175 are as follows...
70 = 2 × 5 × 7 105 = 3 × 5 × 7 175 = 5 × 5 × 7
HCF = 5 × 7 = 35
HCF of `70,105,175` is `35`





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