find the greatest number which divides 131, 160 and 223 leaving remainders 7,5,and 6,respectively
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Since the divisor should leave 7,5,6 as remainders after dividing 131,160 and 223.
So 124 , 155 and 217 should be divisible by this unknown number.
Let’s do prime factorization of 124, 155, 217 to find the largest number
Prime factors of 124 = 2^2 . 31
Prime factors of 155 = 5 . 31
Prime factors of 217 = 7 . 31
∴ HCF(124,155,217) = 31
Required number = 31
Hope this helps!
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