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1, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20

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Q: What numbers from 1 to 20 are not prime numbers?
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What are all the prime numbers from 1-20?

The prime numbers from 1 - 20 are 2, 3, 5, 7, 11, 13, 17, and 19.


What are the prime numbers 1 to 20?

2, 3, 5, 7, 11, 13, 17, 19 ARE prime numbers! 1, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20 are NOT prime numbers!


What is the sum of the odd prime numbers from 1-20?

It is 75.


Are there less prime numbers between 101 and 200 than between 1 and 100?

NO. There are more prime numbers between 1 and 100 than the prime numbers between 101 and 200.number of prime numbers between 1 and 100 = 25number of prime numbers between 101 and 200 = 20


How many prime numbers between 1 and 8888888888888888888888888888888888888888888888?

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Related questions

What are Prime numbers 1-20?

These are the prime numbers 1-20 2,3,5,7,11,13,17,19


What fraction represents the number of prime numbers from 1-20?

2/5 of the numbers from 1 to 20 are prime numbers


Prime numbers between 1 and 20?

Prime numbers are numbers that can only be divided by one and itself. The answer is 2,3,5,7,11,13,17,19. 1 is not prime nor composite.


What are Prime numbers 1 20?

The prime numbers between 1 and 20 are 2, 3, 5, 7, 11, 13, 17, and 19.


What are the prime numbers from 1-20?

There are eight prime numbers from 1 to 20: 2 3 5 7 11 13 17 19


How many prime numbers between 1 and 20?

There are 8 prime numbers between 1 and 20. The numbers are 2, 3, 5, 7, 11, 13, 17, and 19.


What is the prime numbers of 20-30?

Prime numbers only have factors of 1 and themselves: 23, 29


Prime numbers in the 20's?

The Prime Numbers in the 20's are 23 and 29 because they are only divisible by 1 and the number itself.


If a number is chosen at random from the numbers 1 to 20 inclusive what is the probability a prime will be picked?

There are 8 out of 20 numbers that are prime, so 8/20, or 2/5.


Prime numbers from 1 to 20?

The prime numbers from 1 to 20 are 2, 3, 5, 7, 11, 13, 17, and 19. The original answer incorrectly included 1, 9, and 15.


Is 20 prime numbers?

no, 20 is even; therefore it is a multiple of 2.


What are the prime numbers from 1 to 20?

The prime numbers between 1 and 20 are: 2, 3, 5, 7, 11, 13, 17 and 19. Note that a prime number has only two factors, 1 and itself and one. Number 1 is not considered to be a prime number because it has only one factor.