DAY 248:

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 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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