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The Fundamental Theorem of Arithmetic says every composite number is a product of primes in a way that is:
AAlways an even count
BAlways an odd count
CUnique up to order
DNever quite unique
Answer & Solution
Correct answer: C. Unique up to order
1. 2 x 3 x 5 x 7 is the same as 3 x 5 x 7 x 2.
2. The factorisation is unique apart from order.
3. Write primes in ascending order.
_Source: NCERT Class 10 Mathematics, Chapter 1, Real Numbers._
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