Prime factor of a is 3 and least prime factor of b is 7 the least prime factor of (a+b) is A) 2. B) 3. C)5. D)11
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it q
will be 3 because in this 3 is lest prime number
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Answer:2
Step-by-step explanation:sum of least prime factor of a and b =3+7=10 and least factor of 10 is 2 so , least factor of a+b is also 2
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