Difference between revisions of "Divisibility"
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| − | '''Divisibility''' is the ability of a number to be evenly divided by another number. For example, four divided by two is equal to two, and therefore | + | '''Divisibility''' is the ability of a number to be evenly divided by another number. For example, four divided by two is equal to two, an [[integer]], and therefore we say four ''is divisible by'' two. |
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| + | ==Divisibility Videos== | ||
| + | https://youtu.be/bIipw2XSMgU | ||
| + | https://youtu.be/6xNkyDgIhEE?t=1699 | ||
== Notation == | == Notation == | ||
| − | We commonly write <math>n|k</math>. This means that n is a divisor of k. So for the example above, we would write 2|4. | + | We commonly write <math>n|k</math>. This means that <math>n</math> is a [[divisor]] of <math>k</math>. So for the example above, we would write 2|4. |
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== See also == | == See also == | ||
| + | * [[Divisor]] | ||
* [[Divisibility rules]] | * [[Divisibility rules]] | ||
| + | * [[Number theory]] | ||
Revision as of 19:53, 12 August 2020
Divisibility is the ability of a number to be evenly divided by another number. For example, four divided by two is equal to two, an integer, and therefore we say four is divisible by two.
Divisibility Videos
https://youtu.be/bIipw2XSMgU https://youtu.be/6xNkyDgIhEE?t=1699
Notation
We commonly write 
. This means that 
is a divisor of 
. So for the example above, we would write 2|4.
