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Last updated on May 26th, 2025

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Divisibility Rule of 1

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The divisibility rule is a way to find out whether a number is divisible by another number without using the division method. In real life, we can use the divisibility rule for quick math, dividing things evenly, and sorting things. In this topic, we will learn about the divisibility rule of 1.

Divisibility Rule of 1 for UK Students
Professor Greenline from BrightChamps

What is the Divisibility Rule of 1?

The divisibility rule for 1 is a straightforward method by which we can determine if a number is divisible by 1. Since every integer is divisible by 1, any number will meet this rule without any calculations.
divisibility rule of 1

Professor Greenline from BrightChamps

Tips and Tricks for Divisibility Rule of 1

Understanding the divisibility rule will help kids master division. Let’s learn a few tips and tricks for the divisibility rule of 1.

Remember that every number is divisible by 1: 


There are no exceptions to this rule. Every integer, positive or negative, including zero, is divisible by 1.

Use this rule for easy calculations:


When dividing by 1, the result is always the number itself, which simplifies calculations.

Apply the rule in any situation:


Whether dealing with large numbers or small, the rule remains the same.

Confirm understanding by using examples:


Practice by checking if numbers like 123, -456, or 0 are divisible by 1 to reinforce the concept.

 

Use the division method to verify:


Although unnecessary for this rule, students can use the division method to verify and understand how division works.

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Common Mistakes and How to Avoid Them in Divisibility Rule of 1

While the divisibility rule of 1 is simple, common misunderstandings can arise. Here we will understand some common mistakes that will help you to understand.

Mistake 1

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Thinking a number cannot be divisible by 1.

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Remember that any integer, regardless of size or sign, is divisible by 1.

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Divisibility Rule of 1 Examples

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Max, the Girl Character from BrightChamps

Problem 1

Is 487 divisible by 1?

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Yes, 487 is divisible by 1.

Explanation

According to the divisibility rule of 1, every integer is divisible by 1. Therefore, 487, like any other integer, is divisible by 1.

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Max, the Girl Character from BrightChamps

Problem 2

Check the divisibility rule of 1 for 0.

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Yes, 0 is divisible by 1.

Explanation

For the divisibility rule of 1, every integer, including 0, is divisible by 1. Therefore, 0 is divisible by 1.

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Max, the Girl Character from BrightChamps

Problem 3

Is -345 divisible by 1?

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Yes, -345 is divisible by 1.

Explanation

The divisibility rule of 1 states that all integers, positive or negative, are divisible by 1. Thus, -345 is divisible by 1.

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Max, the Girl Character from BrightChamps

Problem 4

Can the number 999999 be divisible by 1?

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Yes, 999999 is divisible by 1.

Explanation

By the divisibility rule of 1, every integer is divisible by 1. Hence, 999999 is divisible by 1.

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Max, the Girl Character from BrightChamps

Problem 5

Check the divisibility rule of 1 for 1.

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Yes, 1 is divisible by 1.

Explanation

According to the divisibility rule of 1, every integer is divisible by 1, including 1 itself. Therefore, 1 is divisible by 1.
 

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Max, the Girl Character from BrightChamps

Problem 6

Check the divisibility rule of 1 for 1.

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Yes, 1 is divisible by 1.

Explanation

According to the divisibility rule of 1, every integer is divisible by 1, including 1 itself. Therefore, 1 is divisible by 1.
 

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FAQs on Divisibility Rule of 1

1.What is the divisibility rule for 1?

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2.How many numbers are there between 1 and 100 that are divisible by 1?

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3.Is 35 divisible by 1?

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4.What if I get 0 when dividing?

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5.Does the divisibility rule of 1 apply to all integers?

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6.How can children in United Kingdom use numbers in everyday life to understand Divisibility Rule of 1?

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7.What are some fun ways kids in United Kingdom can practice Divisibility Rule of 1 with numbers?

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8.What role do numbers and Divisibility Rule of 1 play in helping children in United Kingdom develop problem-solving skills?

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9.How can families in United Kingdom create number-rich environments to improve Divisibility Rule of 1 skills?

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Professor Greenline from BrightChamps

Important Glossaries for Divisibility Rule of 1

  • Divisibility Rule: A guideline used to determine if one number is divisible by another without performing the actual division.

 

  • Integers: Numbers that include all whole numbers, their negatives, and zero.

 

  • Division: The process of splitting a number into equal parts or groups.

 

  • Result: The outcome obtained after performing a division operation.

 

  • Whole Numbers: Non-negative integers, including zero.
Professor Greenline from BrightChamps

About BrightChamps in United Kingdom

At BrightChamps, we know numbers are more than just figures—they open doors to a world full of opportunities! Our mission is to assist children across the United Kingdom in mastering key math concepts, including today’s Divisibility Rule of 1, with a special emphasis on the Divisibility Rule—taught in a lively, enjoyable, and simple manner. Whether your child is measuring the speed of a roller coaster at Alton Towers, tracking scores at a local football match, or managing their pocket money for the latest gadgets, a solid grasp of numbers builds confidence for daily challenges. Our interactive lessons are designed to be both fun and accessible. Because children in the UK learn differently, we tailor our methods to suit every learner. From bustling London to Cornwall’s scenic coastlines, BrightChamps brings math to life, making it relevant and exciting across the UK. Let’s turn the Divisibility Rule into a fun part of every child’s math journey!
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Hiralee Lalitkumar Makwana

About the Author

Hiralee Lalitkumar Makwana has almost two years of teaching experience. She is a number ninja as she loves numbers. Her interest in numbers can be seen in the way she cracks math puzzles and hidden patterns.

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Max, the Girl Character from BrightChamps

Fun Fact

: She loves to read number jokes and games.

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