AQuA-RAT train #15752 · Number Theory · Divisibility
If integer k is equal to the sum of all even multiples…
If integer k is equal to the sum of all even multiples of 15 between 390 and 615, what is the greatest prime factor of k?
This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #15752
Stuck? A gentle nudge
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