08-08-2014, 11:59 PM
N has 6 factors N*m has 9 factors how many factors does m have ?
a. 4 factors or 2 factors
b. 4 factors or 6 factors
c. 2 factors or 3 factors
d. 2 factors or 4 factors
answer choice a
solution
N has the 6 factors
N could be p^5 or pq^2
Nm has 9 factors
Nm could be p^8 or p^2 q^2
if N = p^5 m could be p^3
m could have 4 factors or 2 factors
a. 4 factors or 2 factors
b. 4 factors or 6 factors
c. 2 factors or 3 factors
d. 2 factors or 4 factors
answer choice a
solution
N has the 6 factors
N could be p^5 or pq^2
Nm has 9 factors
Nm could be p^8 or p^2 q^2
if N = p^5 m could be p^3
m could have 4 factors or 2 factors