Solve 1645*1642

$$1645 \times 1642$$

Evaluate

$$2701090$$

Steps For Long Multiplication

First line up the numbers vertically and match the places from the right like this.

$$\begin{array}{c}\phantom{\times999}1645\\\underline{\times\phantom{999}1642}\\\end{array}$$

Now multiply the first number with the 1^{st} digit in 2^{nd} number to get intermediate results. That is Multiply 1645 with 2. Write the result 3290 at the end leaving 0 spaces to the right like this.

$$\begin{array}{c}\phantom{\times999}1645\\\underline{\times\phantom{999}1642}\\\phantom{\times999}3290\\\end{array}$$

Now multiply the first number with the 2^{nd} digit in 2^{nd} number to get intermediate results. That is Multiply 1645 with 4. Write the result 6580 at the end leaving 1 spaces to the right like this.

$$\begin{array}{c}\phantom{\times999}1645\\\underline{\times\phantom{999}1642}\\\phantom{\times999}3290\\\phantom{\times99}6580\phantom{9}\\\end{array}$$

Now multiply the first number with the 3^{rd} digit in 2^{nd} number to get intermediate results. That is Multiply 1645 with 6. Write the result 9870 at the end leaving 2 spaces to the right like this.

$$\begin{array}{c}\phantom{\times999}1645\\\underline{\times\phantom{999}1642}\\\phantom{\times999}3290\\\phantom{\times99}6580\phantom{9}\\\phantom{\times9}9870\phantom{99}\\\end{array}$$

Now multiply the first number with the 4^{th} digit in 2^{nd} number to get intermediate results. That is Multiply 1645 with 1. Write the result 1645 at the end leaving 3 spaces to the right like this.

$$\begin{array}{c}\phantom{\times999}1645\\\underline{\times\phantom{999}1642}\\\phantom{\times999}3290\\\phantom{\times99}6580\phantom{9}\\\phantom{\times9}9870\phantom{99}\\\underline{\phantom{\times}1645\phantom{999}}\\\end{array}$$

Now add the intermediate results to get final answer.

$$\begin{array}{c}\phantom{\times999}1645\\\underline{\times\phantom{999}1642}\\\phantom{\times999}3290\\\phantom{\times99}6580\phantom{9}\\\phantom{\times9}9870\phantom{99}\\\underline{\phantom{\times}1645\phantom{999}}\\\phantom{\times}2701090\end{array}$$

Factor

$$2\times 5\times 7\times 47\times 821$$