History, asked by harshsingh72, 9 months ago

lf 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​

Answers

Answered by motumerabacha12
8

Explanation:

Since 3 is a least prime factor of a, we can say that a is odd. Similarly, 7 is the least prime factor of b, making it odd too. So the sum a+b is even and hence it's least prime factor is 2.

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