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Q: What is the smallest composite number that has three different prime factors?

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Six

6, with factors 1, 2, 3 and 6.

The smallest one is 24.

How about: 210

A composite number is a number with more than 2 positive integer factors. The smallest such odd number is 9.

The smallest composite number is 44

Starting from beginning we see that 0 has infinite factors so it is a composite number and 1 is neither prime nor composite. The next number is 2 which has only two factors so it is the smallest prime number.

Starting from beginning we see that 0 has infinite factors so it is a composite number and 1 is neither prime nor composite. The next number is 2 which has only two factors so it is the smallest Prime number.

A composite number has more than two factors whereas a prime number has only two factors

A prime number has only two factors, one and the number itself. A composite number has more than two factors. Factors can be either prime or composite.

The smallest prime factors are 2,3,5,7 thus the smallest number would be the product of these will be 210

A prime number has only two factors which are itself and one but a composite number has more than two factors

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