Question

prime factorization of 70000

Answer 1

$70000 \div 2= \\ 35000 \div 2 = \\ 17500 \div 2= \\ 8750 \div 2= \\ 4375 \div 5= \\ 875 \div 5= \\ 175 \div 5= \\ 35 \div 5 = \\ 7 \\ \\ 70000=2 \times 2 \times 2 \times 2 \times 5 \times 5 \times 5 \times 5 \times 7=\boxed{2^4 \times 5^4 \times 7}$