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A composite number is a positive integer greater than 1 that has more than two factors. Unlike prime numbers which have only two factors 1 and the number itself composite numbers have additional factors. For example 6 is composite because its factors are 1 2 3 and 6.
This chapter focuses on prime and composite numbers their properties and identification. It explains factors prime factorization and divisibility rules. Students learn about perfect numbers and their significance. The chapter also covers methods to find HCF and LCM improving students’ skills in solving related mathematical problems.
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To find the suitable jump size we need a figure that is also a factor to both 15 and 30. The factors of 15 are 1, 3, 5, and 15. For 30 these are 1, 2, 3, 5, 6, 10, 15, and 30. Shared factors are all 1, 3, 5 and 15 and from the presented options, our choice is going to be number 5.
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