Primes

Number Theory Level 1

In a + b + c = d a+b+c=d , a,b and c are primes and d is an even number that is a multiple of 5.

What the minimum value of d ?


The answer is 10.

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Victor Paes Plinio by Victor Paes Plinio , 21, Brazil

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5 solutions

Nehal Gupta
Apr 17, 2014

2+3+5=10

5 Helpful 0 Interesting 0 Brilliant 0 Confused
Sophie Crane
Apr 22, 2014

An even number multipliedby 5 basically means a multiple of 10. As 10 has a solution (2+3+5), that is the answer. However, I fail to see what this has to do with calculus. No complaints, just a comment.

1 Helpful 0 Interesting 0 Brilliant 0 Confused

maybe there might be some function or a derivative related to this question. I do not know why because I did not take calculus or precalc yet

Neil Shah - 7 years, 1 month ago

2+3+5=10 is the correct answer

1 Helpful 0 Interesting 0 Brilliant 0 Confused
S W
Apr 22, 2014

2+3+5

1 Helpful 0 Interesting 0 Brilliant 0 Confused

2+3+5=10

1 Helpful 0 Interesting 0 Brilliant 0 Confused

The same!!!

Ramasubramaniyan Gunasridharan - 7 years, 1 month ago

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