Divisibility Rule of 690

The divisibility rule for 690 is a method by which we can find out if a number is divisible by 690 or not without using the division method. Check whether 2070 is divisible by 690 with the divisibility rule.  

Step 1: Check if the number is divisible by 2, 3, and 5, since 690 = 2 × 3 × 5 × 23.

Divisibility by 2: The last digit of 2070 is 0, which is even, so it is divisible by 2.

Divisibility by 3: Sum the digits of 2070 (2 + 0 + 7 + 0 = 9). Since 9 is divisible by 3, 2070 is divisible by 3.

Divisibility by 5: The last digit of 2070 is 0, so it is divisible by 5.

Step 2: Check if the number is divisible by 23. Here, 2070 ÷ 23 = 90, which means 2070 is divisible by 23.
Since 2070 is divisible by 2, 3, 5, and 23, it is divisible by 690.
 

Learn the divisibility rule to help kids master division. Let’s learn a few tips and tricks for the divisibility rule of 690.
 

• Break it down: Remember that 690 is composed of 2, 3, 5, and 23. Ensure that a number is divisible by each of these.
   
• Quick check for small factors: For quick checks, first ensure the number is divisible by 2, 3, and 5, as these are simpler to verify.
   
• Use division for larger factors: Use the division method for larger factors like 23 to verify divisibility.
   
• Repeat the process for large numbers: For large numbers, break them down and verify divisibility by smaller factors step by step.
   
• Use the division method to verify: The division method can be used as a way to verify and cross-check results.
   

• Divisibility Rule: A set of rules to determine if a number is divisible by another without performing division.
   
• Factor: A number that divides another without leaving a remainder. In this context, 2, 3, 5, and 23 are factors of 690.
   
• Multiple: A result obtained by multiplying a number by an integer.
   
• Integer: A whole number that can be positive, negative, or zero.
   
• Remainder: The amount left over after division when one number does not divide the other exactly.