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Without dividing, determine if 11,653 is divisible by 3 and explain how you know.
11,653 divisible by 3

Without dividing, determine if 1111,653653 is divisible by 33 and explain how you know.\newline1111,653653 \square divisible by 33

Full solution

Q. Without dividing, determine if 1111,653653 is divisible by 33 and explain how you know.\newline1111,653653 \square divisible by 33
  1. Divisibility Rule for 33: To determine if a number is divisible by 33, we can use the divisibility rule for 33: if the sum of the digits of the number is divisible by 33, then the number itself is divisible by 33.
  2. Applying Rule to 1111,653653: Let's apply this rule to 11,65311,653. We need to find the sum of its digits: 1+1+6+5+31 + 1 + 6 + 5 + 3.
  3. Calculating Sum of Digits: Calculating the sum of the digits: 1+1+6+5+3=161 + 1 + 6 + 5 + 3 = 16.

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