The tickets

The tickets to the show cost some integer number greater than 1. Also, the sum of the price of the children's and adult tickets, as well as their product, was the power of the prime number. Find all possible ticket prices.

Correct result:

a1 =  2
a2 =  4
a3 =  8
a4 =  16

Solution:

 a+b=p1x a b=p2y  p1,p2prime n2=2,4,6,8.,2k  a=b=p2  a+b=2 p2=p1x =>p1=2 p1 p2=p1x=0  a1=2 b1=2  s1=2+2=4=22 s2=2 2=4=22
a2=4 b2=4  s1=4+4=8=23 s2=4 4=16=24a_{2}=4 \ \\ b_{2}=4 \ \\ \ \\ s_{1}=4+4=8=2^3 \ \\ s_{2}=4 \cdot \ 4=16=2^4
a3=8 b3=8  s1=8+8=16=24 s2=8 8=64=26a_{3}=8 \ \\ b_{3}=8 \ \\ \ \\ s_{1}=8+8=16=2^4 \ \\ s_{2}=8 \cdot \ 8=64=2^6
a4=16 b4=16  s1=16+16=32=25 s2=16 16=256=28a_{4}=16 \ \\ b_{4}=16 \ \\ \ \\ s_{1}=16+16=32=2^5 \ \\ s_{2}=16 \cdot \ 16=256=2^8



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