If 5x + 11y is a prime number for positive integral values x and y then what is the least value of x+y ?
Answers
Answered by
10
x=4 and y=1
5(4) + 11(1) = 20 + 11 = 31
which is prime
:. x+y = 5
5(4) + 11(1) = 20 + 11 = 31
which is prime
:. x+y = 5
Isabella6:
Thank u......can I know why u hv taken value of x as 4
I started from one and went on
OK.... Thank you ^_^
you're welcome. Please mark as brainliest if it helped you.
Answered by
0
Answer:
x+y = 5
Step-by-step explanation:
By trial and error 5x+11y is prime number for
(x,y)=(2,3)
(x,y)=(3,2)
(x,y)=(4,1)
minimum value of x+y=5
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