Question

Without actual division, show that:
i) 19 is a factor of 190019
ii) 17 is factor of 17017
iii) 23 is a factor of 2300023​

Answer 1

Answer:

$1)190019 \div 19 \\ remainder \: is \: zero \\ 2)17017 \div 17 \\ remainder \: is \: zero \\ 3)2300023 \div 23 \\ remainder \: is \: zero$

so they are factor