Solve 12345679*81

$$12345679 \cdot 81$$

Evaluate

$$999999999$$

Steps For Long Multiplication

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

$$\begin{array}{c}\phantom{\times9}12345679\\\underline{\times\phantom{9999999}81}\\\end{array}$$

Now multiply the first number with the 1^{st} digit in 2^{nd} number to get intermediate results. That is Multiply 12345679 with 1. Write the result 12345679 at the end leaving 0 spaces to the right like this.

$$\begin{array}{c}\phantom{\times9}12345679\\\underline{\times\phantom{9999999}81}\\\phantom{\times9}12345679\\\end{array}$$

Now multiply the first number with the 2^{nd} digit in 2^{nd} number to get intermediate results. That is Multiply 12345679 with 8. Write the result 98765432 at the end leaving 1 spaces to the right like this.

$$\begin{array}{c}\phantom{\times9}12345679\\\underline{\times\phantom{9999999}81}\\\phantom{\times9}12345679\\\underline{\phantom{\times}98765432\phantom{9}}\\\end{array}$$

Now add the intermediate results to get final answer.

$$\begin{array}{c}\phantom{\times9}12345679\\\underline{\times\phantom{9999999}81}\\\phantom{\times9}12345679\\\underline{\phantom{\times}98765432\phantom{9}}\\\phantom{\times}999999999\end{array}$$

Factor

$$3^{4}\times 37\times 333667$$