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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.
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Continue Learning about Basic Math
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
What are Prime numbers 1 20?
The prime numbers between 1 and 20 are 2, 3, 5, 7, 11, 13, 17, and 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
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