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Last updated on February 17th, 2025
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 255.
The divisibility rule for 255 is a method by which we can find out if a number is divisible by 255 or not without using the division method. Check whether 7650 is divisible by 255 with the divisibility rule.
Step 1: Check if the number is divisible by both 3, 5, and 17, as 255 is the product of these numbers.
Step 2: A number is divisible by 3 if the sum of its digits is divisible by 3. For 7650, the sum of digits is 7+6+5+0=18, which is divisible by 3.
Step 3: A number is divisible by 5 if its last digit is either 0 or 5. For 7650, the last digit is 0.
Step 4: A number is divisible by 17 if dividing the number by 17 results in an integer. Here, 7650÷17=450.
Since 7650 is divisible by 3, 5, and 17, it is divisible by 255.
Learning divisibility rules will help kids to master division. Let’s learn a few tips and tricks for the divisibility rule of 255.
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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.
: She loves to read number jokes and games.