# Testing for Divisibility (Without using a Calculator!)

Test the following for divisibility by 2,3,4,5,6,8,9,and 10. (No calculator, explain your thinking).

i. 6 543 210

b. What is the smallest whole number that is divisible by 2,3,4,5,6,8,9 and 10.

Â© BrainMass Inc. brainmass.com February 24, 2021, 2:19 pm ad1c9bdddfhttps://brainmass.com/math/basic-algebra/testing-divisibility-calculator-14000

#### Solution Preview

Please see the attached file for the full solution.

Thanks for using BrainMass.

Test the following for divisibility by 2,3,4,5,6,8,9,and 10. (No calculator, explain your thinking.

i. 6 543 210

Analysis. Obviously, since it is divisible by 10, it is divisible by 2 and 5 as well. Since 6543210=654321*10 and 654321 is an odd number, we ...

#### Solution Summary

Divisibility of a large number is tested, without using a calcualtor. The results are explained in detail.

$2.19