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How many pairs of prime numbers are there to express 18 as the sum of two prime numbers?

Asked by Topperlearning User 21st April 2014, 3:15 PM
Answered by Expert
Answer:

Two pairs of prime numbers exist:

5 + 13 = 18 and 7 + 11 = 18.

Answered by Expert 21st April 2014, 5:15 PM
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