Find the greatest number that will divide 445 572 and 699 leaving the remainder 4 ,5 ,
6 respectively
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Solution
♦ Let the number be "x"
♦ Then According to the question
• 455 ÷ x = x(n) + 4
• 572 ÷ x = x(n) + 5
• 699 ÷ x = x(n) + 6
♦ So we can say that
(445 - 4 ) , ( 572 - 5) and ( 699 - 6 ) is divisible by x
♦ So Numbers divisible by "x"
>> 441
>> 567
>> 693
♦ Now we have to find HCF of above in order to find out "x"
♦ Prime factorization of above
441 = 7 × 7 × 3 × 3
567 = 7 × 3 × 3 × 3 × 3
693 = 11 × 7 × 3 × 3
♦ So HCF = 7 × 3 × 3
= 63
♦ So the greatest number = 63
Anonymous:
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your answer is in the attachment
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