0.25*5^1024-(5^512+1)(5^256+1)(5^128+1)(5^64+1)(5^32+1)(5^16+1)(5^8+1)(5^4+1)(5^2+1)(5+1)

Question

0.25*5^1024-(5^512+1)(5^256+1)(5^128+1)(5^64+1)(5^32+1)(5^16+1)(5^8+1)(5^4+1)(5^2+1)(5+1)

Answer 1

1280-(2561*1281*641*321*161*81*41*21*11*6)= −5.00241539e20