Question

write three pairs of prime numbers less than 20, whose sum is divisible by 5​

Answer 1

3+7 =10

10/5 = 2

2+3 =5

5/5 = 1

11+19 = 30

30/5 = 6

so the three pairs are, 3 and 7, 2 and 3, 11 and 19

Hope this helps.

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