perplexus.info :: Numbers : Goldbach revisited

Goldbach revisited (Posted on 2013-03-15)

1.How many distinct prime pairs sum up to 10000 ?
2.How many distinct prime pairs sum up to 100000000 ?

Provide exact answer to 1 and approximate answer to 2 .

The order of addends does not matter.

No Solution Yet Submitted by Ady TZIDON

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exact answers

| Comment 1 of 2

the limits for both 1 & 2 are sufficiently low to permit brute force searches using an existing table of primes under 100 million. I get:

1) 127
2) 291400

Posted by Daniel on 2013-03-15 13:42:27

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