real number problem

Jul 2009
68
0
explain why 2 * 3 * 5 * 7 + 27 and 3 * 7 * 11 + 19 are composite numbers.
 
Mar 2010
116
41
Bratislava
explain why 2 * 3 * 5 * 7 + 27 and 3 * 7 * 11 + 19 are composite numbers.
The first one is divisible by 3 (since both summands are).
The second one is even (it is sum of two odd numbers).
 
Jul 2009
68
0
i have to show these numbers ae product of prime numbers but i am unable to do so because of the addition numbers
 
Similar Math Discussions Math Forum Date
Algebra
Algebra
Algebra
Number Theory