Urgent help!!!!! Math SAT I question??





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Discus: SAT/ACT Tests and Test Preparation: April 2004 Archive: Urgent help!!!!! Math SAT I question??
By 007 (007) on Friday, April 30, 2004 - 07:40 am: Edit

p and r are different prime numbers

a: the no. of positive integer divisors of p^3
b: the no. of positive integer divisors of pr

according to me the ans is b but the trs says its c??

By Astrobobocop (Astrobobocop) on Friday, April 30, 2004 - 08:10 am: Edit

take, for example, 5 and 7
2^3 = 8
positive integer divisors
1 2 4 8

2 * 7 = 14
positive integer divisors
1 2 7 14

same #
C dude

By Danoeire (Danoeire) on Friday, April 30, 2004 - 11:49 am: Edit

i always forget: are 0, 1 and 2 prime numbers?

By Cooldude (Cooldude) on Friday, April 30, 2004 - 12:39 pm: Edit

yeah the ans is C
coz p^3 is divisible by 1,p,p^2 & p^3
and pr is divisible by 1,p,r,pr

By Brum (Brum) on Friday, April 30, 2004 - 12:58 pm: Edit

2 is the first prime number


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