Trollathon #1.15 : A picture and some clues.
Level
2
yer = 1
ay = 1
Find dad.
The answer is 462689.
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1 solution
now, yer = 1 implies year = a (multiplying both sides by a). Similarly, ay = 1 implies day = d. So, given a picture of Fermat, we guess the year and day are referring to the birth year and day of Fermat, which is 1601 and 17 respectively. So, d a d = d 2 ⋅ a = 1 7 2 ⋅ 1 6 0 1 = 4 6 2 6 8 9 .