what is a fundamental theorem of …

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Yogita Ingle 6 years, 8 months ago
Every composite number can be expressed (factorised ) as a product of primes, and this factorisation is unique, apart from the order in which the prime factors occur.
This theorem also says that the prime factorisation of a natural number is unique, except for the order of its factors.
For example 20 can be expressed as 2×2×5
Using this theorem the LCM and HCF of the given pair of positive integers can be calculated.
LCM = Product of the greatest power of each prime factor, involved in the numbers.
HCF = Product of the smallest power of each common prime factor in the numbers.
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