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4 (factors 1, 2 and 4) and
9 (factors 1, 3 and 9) are two examples.
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Numbers with 3 factors?
The squares of all prime numbers above 2 have exactly 3 factors.
What are two numbers that have exactly two factors?
2 and 3
Write 3 numbers that have exactly 2 factors?
3, 5 and 7
What are the smallest 3 numbers which have exactly 2 factors?
2 4 6
What numbers have exactly 3 factors?
All numbers that are the square of primes have exactly 3 factors.
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.
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.
Numbers less than 10 that have exactly 2 factors?
1, 2, 3, 5, and 7
How many numbers less than 10 have exactly 2 factors?
there are 3 no.2,3 & 5
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).
Which numbers from 2 to 10 divide exactly into 81?
The factors of 81 that are between 2 and 10 are 3 and 9.
