Which of the following numbers is divisible by 12?
4512984
The correct answer is 4512984.
Additional Information: Composite Number Divisibility The rule for checking divisibility by a composite number (a number with more than two factors) like 12 can often be broken down into checking divisibility by its factors, provided those factors are coprime (have no common factor other than 1). Since 3 and 4 are coprime factors of 12, we can use their individual divisibility rules. For example, to check divisibility by 6, we check divisibility by its coprime factors 2 and 3.
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Important Questions from Multiples and Factors
- How many factors of $2^{2} \times 3^{1} \times 5^{2} \times 7^{1}$ are divisible by 50 but not by 100?
- What is the total number of odd and even divisors of 120, respectively?
- The Government of India Constituted Narcotics Control Bureau in _____.
- The least number by which 294 must be multiplied to make it a perfect square, is:
Let d(n) denote the number of positive divisors of a positive integer n. Which of the following are correct?
1. d(5) = d(11)
2. d(5).d(11) = d(55)
3. d(5) + d(11) = d(16)Select the correct answer using the code given below:
