' 2 ' is the only even prime number.
No because 2 is an even number which is also a prime number
The only even prime number is 2.
103
1, 8, 27, 64
' 2 ' is the only even prime number.
No because 2 is an even number which is also a prime number
102*25=2550
Adding up all the even numbers from the first (2) to the fiftieth (100): [(100 + 2) / 2] x 50 = 2550 Can you see the logic of this method?
The only even prime number is 2.
100
103
28
No 5 odd numbers add up to 100. The sum of any two odd numbers is even. The sum of any two even numbers is even. So the sum of any 4 odd numbers must be even. Take that and add an odd number and the sum must be odd. Therefore, the sum of any 5 odd numbers must be odd. 100 is even. In conclusion: The sum of any odd number of odd numbers is odd.
1, 8, 27, 64
The numbers are 16, 18, 20, 22 and 24.
1,2,3,4,5,7,8,9,10,11,13,14,15,16,17,19,21,21,23,25,26,27,29,31,32,33,34,35,37,38,39,41,43,44,45,46,47,49,50,51,52,53,55,57,58,59,61