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Q: How many whole numbers less than 2010 have exactly three factors?

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Factors are whole numbers that divide exactly into a whole number. These numbers have no remainder. Primes, on the other hand, have exactly two factors which are 1 and itself.

Just 30

Prime numbers have exactly two factors.

Prime numbers have exactly two factors.

4 and 9

A prime number- the factors are 1 and itself. Composite numbers are numbers with more than 2 numbers.

A factor is a number or algebraic expression by which another is exactly divisible. Whole factors are whole numbers that are factors. In the equation 3 x 4 = 12, 3 and 4 are factors of 12.

9409.

All factors are whole numbers

That would be 1. The only factor of 1 is 1. All other whole numbers have at least two factors. Prime numbers have exactly two factors, while composite numbers have more than two factors.

A whole number that has exactly two factors is called a prime number. There are several examples of prime numbers, such as 3, 5, 7, 11, 13, 17, and 19. These are just a few of the thousands of prime numbers.

1,2,3,6,9 & 18 !

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