Today’s Challenge
What is the lowest Prime Number total it is possible to achieve when adding together seven unique non-Prime Numbers?
The 7puzzle Challenge
The playing board of the 7puzzle game is a 7-by-7 grid containing 49 different numbers, ranging from 2 up to 84.
The 1st & 4th rows of the playing board contain the following fourteen numbers:
2 3 9 10 14 15 22 32 35 40 44 54 60 72
What is the sum of the factors of 40?
Make 248 Challenge
Can you arrive at 248 by inserting 5, 7, 8, 10 and 12 into the gaps below?
◯³+√(◯+◯+◯)–◯² = 248
Answers can be found here.
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