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What is the sum of all distinct prime factors of 3^3 + 4^7 + 5^5 + 6^4 + 7^6

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What is the sum of all distinct prime factors of 3^3 + 4^7 + 5^5 + 6^4 + 7^6
posted Sep 3, 2018 by anonymous

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1 Answer

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3^3 + 4^7 + 5^5 + 6^4 + 7^6=138481
All Factors of 138481:
1, 7, 73, 271, 511, 1897, 19783, 138481
The Prime Factors are:
7 x 73 x 271
Sum of Prime Factors:
7+73+271=351

answer Sep 3, 2018 by Hanifa Mammadov
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