# Which of the following numbers has the largest number of unique prime factors?: {573, 951, 825, 639}

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To determine which number has the largest number of unique prime factors among {573, 951, 825, 639}, we need to factorize each number into its prime factors and count the unique primes.

Factorization: 573 = 3 * 191 951 = 3 * 317 825 = 3 * 5^2 * 11 639 = 3^2 * 71

Unique prime factors: 573: 2 unique primes (3, 191) 951: 2 unique primes (3, 317) 825: 3 unique primes (3, 5, 11) 639: 2 unique primes (3, 71)

Among these numbers, 825 has the largest number of unique prime factors (3 unique primes).

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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