Search found 20 matches
Number Properties
Does the integer k have a factor p such that 1 < p < k ?
(1) k > 4!
(2) 13! + 2 ≤ k ≤ 13! + 3
- by ela07mjt
Tue Feb 26, 2013 1:21 am- Forum: Data Sufficiency
- Topic: Number Properties
- Replies: 9
- Views: 1953
Number Properties
1. Is the positive integer j divisible by a greater number of different prime numbers than the positive integer k ? (1) j is divisible by 30. (2) k = 1,000 2. If m is a positive odd integer between 2 and 30, then m is divisible by how many different positive prime numbers? (1) m is not divisible by ...
- by ela07mjt
Tue Feb 19, 2013 8:38 am- Forum: Data Sufficiency
- Topic: Number Properties
- Replies: 5
- Views: 1750
Number Properties
Need help with this!
The positive integer k has exactly two positive prime factors, 3 and 7. If k has a total of 6 positive factors, including 1 and k,
18
what is the value of k ?
(1) 3^2 is a factor of k.
2) 7^2 is not a factor of k.
- by ela07mjt
Thu Feb 07, 2013 5:09 am- Forum: Data Sufficiency
- Topic: Number Properties
- Replies: 3
- Views: 1321
Number Properties
Hi Can someone help with this?
If r and s are positive integers, is s/r an integer?
(1) Every factor of s is also a factor of r.
(2) Every prime factor of s is also a prime factor of r.
- by ela07mjt
Thu Feb 07, 2013 5:00 am- Forum: Data Sufficiency
- Topic: Number Properties
- Replies: 1
- Views: 907
LCM Question
Hi Can someone explain how to do the below question in a structured way which saves time? I did this by finding possible values of x and then finding the LCM again to see if all answers were the same.. f x is a positive integer, what is the least common multiple of x, 6, and 9 ? (1) The least common...
- by ela07mjt
Wed Dec 05, 2012 8:04 am- Forum: Data Sufficiency
- Topic: LCM Question
- Replies: 2
- Views: 1582