Sorry but I don't know how to deal big number.
Here's another CODY problem that deals with something similar:
Similar Triangles - find the height of the tree
Back to basics 12 - Input Arguments
Back to basics 13 - Input variables
Create a square matrix of multiples
How brilliant are you?
Rewrite setdiff to account for non-unique values
How many days?!?
Sleeping Queens 1
Pandigital Factors (Based on Euler 491)
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