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nickdawg
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If m is a positive integer between 2 and 30, then m is 26 Nov 2005, 23:34
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If m is a positive integer between 2 and 30, then m is divisible by how many different positive prime integers?

1. m is not divisible by 3
2. m is not divisible by 5



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If m is a positive integer between 2 and 30, then m is 27 Nov 2005, 00:41
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nickdawg
If m is a positive integer between 2 and 30, then m is divisible by how many different positive prime integers?

1. m is not divisible by 3
2. m is not divisible by 5
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1. m=2, m is divisible by 1 prime
m= 10, m is divisible by 2 primes.
-->insuff

2. m= 2, there's one prime
m= 6, there're two primes factor.
---->insuff

1 and 2:
2: 1 prime
14: two primes
--->insuff
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rianah100
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If m is a positive integer between 2 and 30, then m is 04 Dec 2005, 06:40
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I got E as well but I did not include m=2 in my plugging in because the Q does not say it is inclusive
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harinder_sandhu
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If m is a positive integer between 2 and 30, then m is 05 Dec 2005, 01:01
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It has to be E since there can be numerous numbers which furnish this criteria
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yb
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If m is a positive integer between 2 and 30, then m is 06 Dec 2005, 16:48
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E.
4 and 14 satisfy both statements. 4 only has 2 as its prime factor, whereas 14 has 7 and 2 both.
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rlevochkin
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If m is a positive integer between 2 and 30, then m is 06 Dec 2005, 20:12
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E.

Combining both statementsl....

7, 11, 13, 17, 23, 29 are only divisible by itself and thus have only one prime as a factor

22, 14 are divisible by 2, and 7.... 2 primes.



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