lallalalalak lallalalalak

12-09-2015
Mathematics

Answered

A certain number has exactly 8 factors including 1 and itself. 2 of its factors are 21 and 35 what is the number?

Verified Answer :

michelleshie michelleshie

12-09-2015

21 = 3.7
35 = 5.7

probably the factors have 3.5.7
= 105

let's try :
1 . 105
3 . 35
5 . 21
7 . 15
Yep, correct.

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