Question by Lê Quốc Trần Anh - Discuss with MathYouLike

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30/05/2018 at 02:25

For each of the first eight prime numbers, Brian Edwards writes down all the number’s positive factors. What is the sum of all the numbers Brian writes down?

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Nguyễn Thị Phương Hoa 02/06/2018 at 14:55

Sum of the first eight digits is:

2+3+5+7+11+13+17+19=77

Answer:77

'm not sure ^^
Lê Quốc Trần Anh selected this answer.

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