Discuss OronD's answer to: Which integers have exactly five factors?

OronD
OronD Answered:

210  (the five factors are: 1,2,3,5,7)

Love is the battery of life....
Comments (2) Add your own answer
Liked this answer? Tell your friends about it

2 Comments About This Answer

Add your comment
 
PGroot
PGroot

1,2,3,5,7 are the five prime factors, but 6 is also a factor, and 10, 14, 15, 21, 30, 35, 42, 70, 105, 210.
 
PGroot
PGroot

By the way, we don't list 1 as a prime factor, so if you want five prime factors you have to go to 2310.
Add Your Comment (or add your own answer)
Insert: