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Number System - Factors & Their Properties Video Lecture | Crash Course for XAT - CAT

300 videos|235 docs|24 tests

FAQs on Number System - Factors & Their Properties Video Lecture - Crash Course for XAT - CAT

1. What are factors in the number system?
Ans. Factors in the number system are the numbers that can be multiplied together to get a specific number. For example, the factors of 12 are 1, 2, 3, 4, 6, and 12.
2. How do you find factors of a number?
Ans. To find the factors of a number, you can start by dividing the number by the smallest prime number (2) and continue dividing by prime numbers until you reach 1. The divisors you used in each step are the factors of the number.
3. What are prime factors?
Ans. Prime factors are the factors of a number that are also prime numbers. For example, the prime factors of 12 are 2 and 3.
4. Can a number have more than one set of factors?
Ans. Yes, a number can have multiple sets of factors. For example, 12 has the factors 1, 2, 3, 4, 6, and 12 as well as -1, -2, -3, -4, -6, and -12.
5. How can factors be used in simplifying fractions?
Ans. Factors can be used to simplify fractions by dividing the numerator and denominator by their greatest common factor (GCF). This process reduces the fraction to its simplest form.
300 videos|235 docs|24 tests
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