ee1e8abd87
* feat(tools): add seed/solution restore script * chore(curriculum): remove empty sections' markers * chore(curriculum): add seed + solution to Chinese * chore: remove old formatter * fix: update getChallenges parse translated challenges separately, without reference to the source * chore(curriculum): add dashedName to English * chore(curriculum): add dashedName to Chinese * refactor: remove unused challenge property 'name' * fix: relax dashedName requirement * fix: stray tag Remove stray `pre` tag from challenge file. Signed-off-by: nhcarrigan <nhcarrigan@gmail.com> Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>
753 B
753 B
id, title, challengeType, forumTopicId, dashedName
| id | title | challengeType | forumTopicId | dashedName |
|---|---|---|---|---|
| 5900f4531000cf542c50ff66 | Problem 231: The prime factorisation of binomial coefficients | 5 | 301875 | problem-231-the-prime-factorisation-of-binomial-coefficients |
--description--
The binomial coefficient 10C3 = 120.
120 = 23 × 3 × 5 = 2 × 2 × 2 × 3 × 5, and 2 + 2 + 2 + 3 + 5 = 14.
So the sum of the terms in the prime factorisation of 10C3 is 14.
Find the sum of the terms in the prime factorisation of 20000000C15000000.
--hints--
euler231() should return 7526965179680.
assert.strictEqual(euler231(), 7526965179680);
--seed--
--seed-contents--
function euler231() {
return true;
}
euler231();
--solutions--
// solution required