elanak30 elanak30

20-07-2018
Mathematics

contestada

If a and b are prime numbers, which of the following cannot be the sum of a and b?
F)13
G)16
H)18
J)25
K)27

Respuesta :

Emily1019 Emily1019

20-07-2018

The answer is J.
11+2=13
13+3=16
11+7=18
11+17=27
The sum of prime numbers do not equal 25.

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