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List all the prime numbers less than 20?
All the prime numbers less than 20 are 2,3,5,7,11,13,17,19
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 number is a square number but not a prime number and is less than 100?
No square number is a prime number, since it has the number you squared as a factor. There are several square numbers less than 100. Just calculate the squares of all numbers, starting with 1, until you reach or pass 100. Then stop.
What is the number described by all the clues belowthe number is not less than 20 the number is not greater than 40 the number is not divisible by 2 3 or 7 the number is not a prime number?
25 is the number not less than 20, not greater than 40, not divisible by 2 3 or 7, and not a prime number.
Are there only two prime numbers less than ten?
1, 2, 3 ,5 , and 7 are all prime numbers less than 10. The lower the number is, the more likely it is to be prime. There is only one number, 2, that is even.
What is the number that is more than the sum of all prime numbers less than 10?
The sum of all prime numbers less than ten is 17. Pick a number 18 or higher.
A prime number less than thirty?
3, 5, 7, 11, etc. are all prime numbers that are less than 30.
How do you know if a number greater than 100 is a prime number?
You try dividing it by all prime numbers less than of equal to its square root.
Can all odd numbers greater than 1 but less than 10 are prime numbers?
No, says the number 9.
What is last prime number to sift to find all prime numbers less than 1000?
31
What prime numbers are even and less than 100?
There is only one prime number which is even - that is 2 - and it also happens to be less than 100. All other prime numbers are odd.
What number is less than 100 is an even a prime number and is square?
There is only one even prime number and that is 2 as all over even numbers can be divided by 2 and 2 is not square so there isn't a number less than 100 that is an even prime square number.
What is the number that is 9 more than the sum of all prime numbers less than 10?
26
Prime number that are less than 25?
Prime numbers are numbers that are divisible by themselves and 1. 1 itself is not regarded as a prime number. With the exception of 2, all prime numbers are odd numbers. Applying this gives the following prime numbers less than 25 :- 2,3,5,7,11,13,17,19 and 23.
If the prime factors of a number are all the prime numbers less than 10 and no factor is repeated what is the number?
2,3,5,7.2*3*5*7=210
Are odd integers less than ten prime?
No. 9 is an odd integer less than 10 and you can get it by multiplying 3X3. All odd integers less than 9 are prime. Except one (1). The number 1 is neither prime nor composite.
What are all the even composite numbers less than 1000?
Literally every single even number less than 1000 is a composite number other than 2 which is prime.
