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All numbers that are the square of primes have exactly 3 factors.

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โˆ™ 2008-12-31 14:40:25
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Q: What numbers have exactly 3 factors?
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Related questions

Numbers with exactly 3 factors?

Squares of prime numbers have exactly three factors.


What do say for numbers which have exactly 3 factors?

Numbers with exactly three factors are squares of prime numbers.


Numbers with 3 factors?

The squares of all prime numbers above 2 have exactly 3 factors.


What are all the numbers less than 100 with exactly 3 factors that are prime?

By definition, a prime number has exactly two factors. So, there are no prime numbers with exactly three factors.


What numbers with exactly 3 factors are?

A number has exactly three factors if and only if it is the square of a prime number.


Numbers that have exactly 3 factors?

Prime squares


Is 3 a prime or composite number why?

Prime numbers have exactly two factors. 3 has exactly two factors: 1 and 3. So 3 is prime. Composite numbers have more than two factors. 4 is composite because it has three factors: 1, 2, and 4.


What are two numbers that have exactly two factors?

2 and 3


What kind of numbers have exactly 3 factors?

Prime squares


What number have exactly 3 factors?

Squares of prime numbers.


Write 3 numbers that have exactly 2 factors?

3, 5 and 7


3 numbers below 30 that have exactly 3 factors?

Prime squares have three factors. 4, 9, 25


What two-digit numbers have exactly 3 factors?

25 and 49


What numbers have exactly 3 prime factors?

That's an infinite list.


What are two different numbers that have exactly 3 factors?

4 and 9


What type of numbers have exactly 3 factors and what are they called?

prime squares


Which of the tower numbers have exactly tw factors?

All numbers that have exactly two factors are prime numbers whereas composite numbers have more than two factors.


What are the three numbers below 30 that have exactly 3 factors?

Numbers with three factors are squares of primes. So: 4, 9, 25


What are some Numbers with exactly 3 factors?

Squares of prime numbers, like 4, 9 and 25.


Which numbers have exactly two factors?

Prime numbers have exactly two factors.All prime numbers have only 2 factors whereas composite numbers have more than 2 factors


What are 3 numbers less than 50 that have exactly 2 factors?

All prime numbers less than 50 have exactly two factors. e.g. 2,3,5,7,11,13,17,19,23,29,31,37,41,43 & 47.


What are the smallest 3 numbers which have exactly 2 factors?

2 4 6


What are the 2 numbers under 50 that have exactly 3 factors?

The squares of all prime numbers have exactly 3 factors. The numbers under fifty that are the squares of primes are 4 (1, 2, and 4), 9 (1, 3, and 9), 25 (1, 5, and 25), and 49 ( 1, 7, and 49).


What are 2 numbers less than 50 that have exactly 3 factors?

4, 9, 25 and 49 They are squares of prime numbers.


What is the term for numbers that have exactly two factors?

Prime numbers are the numbers that have exactly two factors.Prime numbers have only two factors, the number one and themselves.