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Welcome to our Math lesson on Divisibility by 19, this is the nineteenth lesson of our suite of math lessons covering the topic of Divisibility Rules, you can find links to the other lessons within this tutorial and access additional Math learning resources below this lesson.
Divisibility by 19
Rule: "A number is divisible by 19 if twice the last digit plus the rest of number give a number divisible by 19."
For example, 513 is divisible by 19 as 2 × 3 + 51 = 57, which is a multiple of 19 as 57 ÷ 19 = 3.
On the other hand, 1734 is not divisible by 19 as 2 × 4 + 173 = 181, which is not divisible by 19.
The calculator gives 513 ÷ 19 = 27 and 1734 ÷ 19 = 91.263..., results that confirm the accuracy of our solution.
More Divisibility Rules Lessons and Learning Resources
Arithmetic Learning Material| Tutorial ID | Math Tutorial Title | Tutorial | Video
Tutorial | Revision
Notes | Revision
Questions |
|---|
| 1.6 | Divisibility Rules | | | | |
| Lesson ID | Math Lesson Title | Lesson | Video
Lesson |
|---|
| 1.6.1 | Divisibility by 1 | | |
| 1.6.2 | Divisibility by 2 | | |
| 1.6.3 | Divisibility by 3 | | |
| 1.6.4 | Divisibility by 4 | | |
| 1.6.5 | Divisibility by 5 | | |
| 1.6.6 | Divisibility by 6 | | |
| 1.6.7 | Divisibility by 7 | | |
| 1.6.8 | Divisibility by 8 | | |
| 1.6.9 | Divisibility by 9 | | |
| 1.6.10 | Divisibility by 10 | | |
| 1.6.11 | Divisibility by 11 | | |
| 1.6.12 | Divisibility by 12 | | |
| 1.6.13 | Divisibility by 13 | | |
| 1.6.14 | Divisibility by 14 | | |
| 1.6.15 | Divisibility by 15 | | |
| 1.6.16 | Divisibility by 16 | | |
| 1.6.17 | Divisibility by 17 | | |
| 1.6.18 | Divisibility by 18 | | |
| 1.6.19 | Divisibility by 19 | | |
| 1.6.20 | Divisibility by 20 | | |
| 1.6.21 | Other Divisibility Rules. How Relatively Prime Numbers Determine the Divisibility Rules. | | |
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- Arithmetic Math tutorial: Divisibility Rules. Read the Divisibility Rules math tutorial and build your math knowledge of Arithmetic
- Arithmetic Video tutorial: Divisibility Rules. Watch or listen to the Divisibility Rules video tutorial, a useful way to help you revise when travelling to and from school/college
- Arithmetic Revision Notes: Divisibility Rules. Print the notes so you can revise the key points covered in the math tutorial for Divisibility Rules
- Arithmetic Practice Questions: Divisibility Rules. Test and improve your knowledge of Divisibility Rules with example questins and answers
- Check your calculations for Arithmetic questions with our excellent Arithmetic calculators which contain full equations and calculations clearly displayed line by line. See the Arithmetic Calculators by iCalculator™ below.
- Continuing learning arithmetic - read our next math tutorial: Decimal Number System and Other Numbering Systems
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