0
Add your answer:
Earn +20 pts
Is a prime number less than 20?
A prime number can be less than 20, but it is not a requirement that the number has to be under 20 to be considered prime. Here is a list of all the prime numbers under 20: 2, 3, 5, 7, 11, 13, 17, and 19 .
What is the lowest prime number that has all of the numbers prime?
The smallest prime number in which all of the digits are also prime is 2.The smallest multi-digit prime number in which all of the digits are also prime is 23.
What are all of the factors of a prime number?
It is always 1 and the prime number itself.
Which shows all the factors of a prime number?
The number 1 and the prime number itself.
Is 2011 prime?
Yes. To prove it, you can take the square root of 2011 (about 44.8), and divide 2011 by all the prime numbers under this number. You'll see none of them divide, so it's prime.
Is a prime number less than 20?
A prime number can be less than 20, but it is not a requirement that the number has to be under 20 to be considered prime. Here is a list of all the prime numbers under 20: 2, 3, 5, 7, 11, 13, 17, and 19 .
Are prime numbers closed under addition?
no, not all prime numbers are closed under addition. why? because, when you add 2 prime numbers you will not always get a prime number. example: 5+3= 8 5 and 3 are prime numbers but their sum is 8 which is a composite number..
What is the lowest prime number that has all of the numbers prime?
The smallest prime number in which all of the digits are also prime is 2.The smallest multi-digit prime number in which all of the digits are also prime is 23.
What are all the composite numbers under 100?
So we eliminate prime numbers. Note that the number 1 is neither prime nor composite. We have left:4689101214151618202122242526272830323334353638394042444546484950515254555657586062636465666869707274757677788081828485868788909192939495969899100
What are all of the factors of a prime number?
It is always 1 and the prime number itself.
What are all the prime number for 47?
47 is already a prime number.
Can an Abundant number be a prime number?
No, all prime numbers are deficient.
What are all the prime numbers under 16?
The prime numbers under 16 are 2,3,5,7,11 & 13.
What is the easiest way to figure out if numbers are prime or composite?
A prime number is one that is only divisible by 1 and itself. Just work out if it divides into anything. To do this try dividing the number by all prime numbers under its half way value.
Which shows all the factors of a prime number?
The number 1 and the prime number itself.
What prime number under 1000 has the most different prime factors?
Ur mu m Isn't this great? She's had sooooo many children, they are all her factors
Is it possible for a prime number to be a perfect number and why?
No, all prime numbers are deficient.
