Question

(a
17. If 3 is the least prime factor of number a and 7 is the least prime factor of number b, then the
least prime factor of (a + b) is
(b) 3
(C) 5
(d) 10
IF YCF of (96. 169) = 13 then LCM (26, 169) is
(a) 2​

Answer 1

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Answer 2

Among the given options option (a) 2 is correct.

Step-by-step explanation:

Given :  

Least prime factor of ‘a’ is 3 and least prime factor of ‘b’ is 7.

sum of least prime factors of a and b = (a + b) = 3 + 7 = 10

(a + b) = 10

Least factor of 10 is 2

Hence, the least factor of (a + b) is also 2.

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