4 ms·$ python -c "print '0x%x' % (2147483629*2147483647)" 0x3ffffff600000013by cynwoody 13y ago$ python -c "print '0x%x' % (2147483629*2147483647)" 0x3ffffff600000013vijucat 13y agoR terminal: > 2147483629*2147483647 [1] 4.611686e+18ramintran 13y agoPlease. The only proper answer is to gather as many friends as you can and all implement the peasant's algorithm together.