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How many number under 10 have 2 factors?
There are 4 prime numbers under ten.
What numbers under 100 have 3 different prime factors?
30, 42, 66, 70 and 78.
How many prime numbers are there under 50?
There are 15 prime numbers less than 50.
Are prime numbers is closed under multilplication?
By definition, a product of two primes has atwo factors (other than 1 and itself) and so it cannot be prime. So the set is not closed.
Are prime numbers closed under subtration?
No.
What are the prime numbers under 100 that have 2 and 7 as factors?
There are no prime numbers anywhere that are divisible by 2 and 7.
How many number under 10 have 2 factors?
There are 4 prime numbers under ten.
What numbers have exactly 2 factors under 10?
Numbers that have exactly 2 factors under 10 are prime numbers. Prime numbers are integers greater than 1 that have no positive divisors other than 1 and themselves. Examples of prime numbers under 10 are 2, 3, 5, and 7. These numbers have only two factors, 1 and the number itself.
Prime numbers under 6?
Prime Numbers under 6 are 2,3,5
How many prime numbers are under 140?
There are 34 prime numbers under 140.
What numbers under 100 have 3 different prime factors?
30, 42, 66, 70 and 78.
What are all the prime numbers under 16?
The prime numbers under 16 are 2,3,5,7,11 & 13.
What are odd prime numbers under 15?
Odd prime numbers under 15 are prime numbers that are greater than 2 and do not have any factors other than 1 and themselves. The odd prime numbers under 15 are 3, 5, 7, 11, and 13. These numbers cannot be divided evenly by any other number except 1 and themselves, making them prime.
What numbers under 100 have 12 factors?
Numbers under 100 that have 12 factors must be in the form of ( p_1^{11} ) or ( p_1^3 \times p_2^2 ), where ( p_1 ) and ( p_2 ) are distinct prime numbers. The prime factorization of 12 is ( 2^2 \times 3 ). Thus, the numbers under 100 with exactly 12 factors are ( 2^{11} = 2048 ) and ( 2^3 \times 3 = 24 ).
What is the prime factorization of numbers 1 to 200?
If you look at the related question, "What are the prime factors of the numbers from 1 to 200?" (provided in the link below), take the prime numbers, and show them with multiplication signs between them, then you will have the prime factorization. Examples: The prime factors of 15 are 3 and 5. Therefore, the prime factorization is 3 x 5. The prime factors of 42 are 2, 3, and 7. Therefore, the prime factorization is 2 x 3 x 7. The prime factors of 64 are 2, 2, 2, 2, 2, and 2. Therefore, the prime factorization is 2 x 2 x 2 x 2 x 2 x 2. If you want the prime factorization of a specific number, it is sometimes listed under questions of the form, "What are the prime factors of __?" or "What are the factors of __?" or "What are the factors and prime factors of __?"
What are 2 numbers under 50 that have exactly 3 factors?
The prime squares, like 4, 9, 25 and 49
Multiples of Prime numbers under 20?
All the numbers from 2 to 19 are multiples of prime numbers.
