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Last updated on February 26th, 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 902.
The divisibility rule for 902 is a method by which we can find out if a number is divisible by 902 or not without using the division method. Check whether 1804 is divisible by 902 with the divisibility rule.
Step 1: Multiply the last digit of the number by 2, here in 1804, 4 is the last digit so multiply it by 2. 4 × 2 = 8.
Step 2: Subtract the result from Step 1 from the remaining values but do not include the last digit. i.e., 180–8 = 172.
Step 3: As it is shown that 172 is not a multiple of 902, therefore, the number is not divisible by 902. If the result from step 2 is a multiple of 902, then the number is divisible by 902.
Learning the divisibility rule will help kids master division. Let’s learn a few tips and tricks for the divisibility rule of 902.
Memorize the multiples of 902 (902, 1804, 2706, 3608, etc.) to quickly check divisibility. If the result from the subtraction is a multiple of 902, then the number is divisible by 902.
If the result we get after the subtraction is negative, disregard the negative sign and consider it positive for checking the divisibility of a number.
Students should keep repeating the divisibility process until they reach a small number that is divisible by 902.
For example: Check if 5412 is divisible by 902 using the divisibility test.
Multiply the last digit by 2, i.e., 2 × 2 = 4.
Subtract the remaining digits excluding the last digit by 4, 541–4 = 537.
Since 537 is not a multiple of 902, 5412 is not divisible by 902.
Students can use the division method as a way to verify and crosscheck their results. This will help them verify and also learn.
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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.