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What is the sum of the different positive prime factors of 550?
A. 10
B. 11
C. 15
D. 16
E. 18

\(550=275*2=25*11*2=5*5*11*2=5^2*11*2\)

Different prime numbers are 5, 11 and 2.

Sum=5+11+2=18

Ans: "E"
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Shalom!

550= 5^2+2+11=18
The prime factors are 5, 2 and 11 therefore the answer is E.
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different prime factors of 550 are 2 , 5, 11

=> sum of prime factors = 2+5+11 = 18

Answer is E.
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What is the sum of the different positive prime factors of 550?

A. 10
B. 11
C. 15
D. 16
E. 18

To determine the sum of the different positive prime factors of 550, let’s break 550 into its prime factorization.

550 = 55 x 10 = 5 x 11 x 5 x 2

The different prime factors of 550 are 5, 11, and 2 and the sum of these prime factors is 5 + 11 + 2 = 18.

Answer: E
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↧↧↧ Weekly Video Solution to the Problem Series ↧↧↧



We need to find the sum of the different positive prime factors of 550?

550 = \(5 * 10 * 11\) = \(2 * 5^2 * 11\)
=> Sum of prime factors of 550 = 2 + 5 + 11 = 18

So, Answer will be E
Hope it helps!

Watch the following video to learn How to find Sum of all the factors of a number

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