794 B
794 B
id | title | challengeType | forumTopicId | dashedName |
---|---|---|---|---|
5900f4d11000cf542c50ffe4 | Problem 357: Prime generating integers | 5 | 302017 | problem-357-prime-generating-integers |
--description--
Consider the divisors of 30: 1, 2, 3, 5, 6, 10, 15, 30.
It can be seen that for every divisor d
of 30, d + \frac{30}{d}
is prime.
Find the sum of all positive integers n
not exceeding 100\\,000\\,000
such that for every divisor d
of n
, d + \frac{n}{d}
is prime.
--hints--
primeGeneratingIntegers()
should return 1739023853137
.
assert.strictEqual(primeGeneratingIntegers(), 1739023853137);
--seed--
--seed-contents--
function primeGeneratingIntegers() {
return true;
}
primeGeneratingIntegers();
--solutions--
// solution required