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Prime Factorization

Find the sum ...

Question

Find the sum of the prime factors of 1729.

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Solution

The prime factors of $1729 = 7 \times 13 \times 19$
Therefore, the sum of prime numbers $= 7 + 13 + 19 = 39$

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Question 32
The sum of the prime factors of 1729 is

(A) 13
(B) 19
(C) 32
(D) 39

Find all prime factors of 1729 and arrange them in ascending order. Now state the relation, if any; between two consecutive prime factors.

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