Sum Prime Digits
Find the sum of the digits of the greatest four-digit prime number whose digits are also prime.
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Elementary Brain Teaser
Fun and accessible problems for younger students or beginners. Posted every Monday, these weekly brain teasers kickstart your week with a mental warm-up.
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Individual Rankings
The first 10 to correctly answer this question are shown below.
- Maya M.F.
- Isabelle Mi
- Scott Busby
- Mia Chen
- Dan C.
- Mia Valerio
- Mia Villalobos
- Mia Maymaymay
- Nirvaan Sonavane
- Anika Pandey
Leaderboard Rankings
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