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Factors are numbers that divide another number exactly without leaving a remainder. For example the factors of 12 are 1 2 3 4 6 and 12. Every number has at least two factors 1 and itself. Factors are important for solving problems related to division and prime factorization.
In this chapter students learn about prime numbers composite numbers and their properties. The concept of factors and prime factorization is introduced. It explains how to find factors and multiples of numbers. The chapter also covers divisibility rules and helps in solving problems related to HCF and LCM.
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The number 28 has 6 factors. The factors of 28 are 1 2 4 7 14 and 28. The total count of these factors is 6. Therefore the correct answer is 6.
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