30, 42, 66, 70 and 78.
There are 4 prime numbers under ten.
They are: 3+5+11 = 19
Such a number would either have to be a perfect cube of a prime number, such as 33 = 27 (the only one in the specified range), or the product of exactly two different prime factors, such as 2 x 3, 2 x 5, 3 x 31, etc.
There are 15 prime numbers less than 50.
Numbers under 100 with three different prime factors are 30, 42, 66, 70 and 78. Numbers under 100 with three different prime factors, at least one of which has multiplicity > 1 are 8, 12, 18, 20, 27, 28, 44, 45, 50, 52, 63, 68, 75, 76, 92, 98 and 99.
There are no prime numbers anywhere that are divisible by 2 and 7.
There are 4 prime numbers under ten.
Prime Numbers under 6 are 2,3,5
There are 34 prime numbers under 140.
Ur mu m Isn't this great? She's had sooooo many children, they are all her factors
Here is how you can calculate that: Multiply different prime numbers together, until your product exceeds the number 300. Then, you go back one step.
The prime numbers under 16 are 2,3,5,7,11 & 13.
They are: 3+5+11 = 19
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 __?"
The prime squares, like 4, 9, 25 and 49
All the numbers from 2 to 19 are multiples of prime numbers.
168 prime numbers under 1000.