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Home > Pre-Algebra calculators > Divisibility rule example
Divisibility rule of 89 example ( Enter your problem )
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88. Divisibility rule of 88 example
(Previous example)		90. Divisibility rule of 90 example
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89. Divisibility rule of 89 example


1. Check whether 26255 is divisible by 89 or not?

Solution:
Divisibility rule of 89 :
9 times the last digit and add it to the rest of the number.
If the answer is divisible by 89, then number is also divisible by 89.
(Apply this rule to the answer again if necessary)

`2625color{red}{5}=>2625 + color{red}{5} xx 9 = 2625 +45 = 2670`

`267color{red}{0}=>267 + color{red}{0} xx 9 = 267 = 267`

`26color{red}{7}=>26 + color{red}{7} xx 9 = 26 +63 = 89`

Here 89 is divisible by 89.
`:.` 26255 is divisible by 89.


2. Check whether 28213 is divisible by 89 or not?

Solution:
Divisibility rule of 89 :
9 times the last digit and add it to the rest of the number.
If the answer is divisible by 89, then number is also divisible by 89.
(Apply this rule to the answer again if necessary)

`2821color{red}{3}=>2821 + color{red}{3} xx 9 = 2821 +27 = 2848`

`284color{red}{8}=>284 + color{red}{8} xx 9 = 284 +72 = 356`

`35color{red}{6}=>35 + color{red}{6} xx 9 = 35 +54 = 89`

Here 89 is divisible by 89.
`:.` 28213 is divisible by 89.


3. Check whether 33108 is divisible by 89 or not?

Solution:
Divisibility rule of 89 :
9 times the last digit and add it to the rest of the number.
If the answer is divisible by 89, then number is also divisible by 89.
(Apply this rule to the answer again if necessary)

`3310color{red}{8}=>3310 + color{red}{8} xx 9 = 3310 +72 = 3382`

`338color{red}{2}=>338 + color{red}{2} xx 9 = 338 +18 = 356`

`35color{red}{6}=>35 + color{red}{6} xx 9 = 35 +54 = 89`

Here 89 is divisible by 89.
`:.` 33108 is divisible by 89.


4. Check whether 23393 is divisible by 89 or not?

Solution:
Divisibility rule of 89 :
9 times the last digit and add it to the rest of the number.
If the answer is divisible by 89, then number is also divisible by 89.
(Apply this rule to the answer again if necessary)

`2339color{red}{3}=>2339 + color{red}{3} xx 9 = 2339 +27 = 2366`

`236color{red}{6}=>236 + color{red}{6} xx 9 = 236 +54 = 290`

`29color{red}{0}=>29 + color{red}{0} xx 9 = 29 = 29`

Here 29 is not divisible by 89.
`:.` 23393 is not divisible by 89.


5. Check whether 26735 is divisible by 89 or not?

Solution:
Divisibility rule of 89 :
9 times the last digit and add it to the rest of the number.
If the answer is divisible by 89, then number is also divisible by 89.
(Apply this rule to the answer again if necessary)

`2673color{red}{5}=>2673 + color{red}{5} xx 9 = 2673 +45 = 2718`

`271color{red}{8}=>271 + color{red}{8} xx 9 = 271 +72 = 343`

`34color{red}{3}=>34 + color{red}{3} xx 9 = 34 +27 = 61`

Here 61 is not divisible by 89.
`:.` 26735 is not divisible by 89.


6. Check whether 32860 is divisible by 89 or not?

Solution:
Divisibility rule of 89 :
9 times the last digit and add it to the rest of the number.
If the answer is divisible by 89, then number is also divisible by 89.
(Apply this rule to the answer again if necessary)

`3286color{red}{0}=>3286 + color{red}{0} xx 9 = 3286 = 3286`

`328color{red}{6}=>328 + color{red}{6} xx 9 = 328 +54 = 382`

`38color{red}{2}=>38 + color{red}{2} xx 9 = 38 +18 = 56`

Here 56 is not divisible by 89.
`:.` 32860 is not divisible by 89.




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