2, 3, 5, 7 and 9.
Prime numbers before 10 are 2 3 5 7 So 4
There are more than 10 prime numbers
10 does not have 6 prime numbers.
There are 25 prime numbers before 100.
The prime numbers from 1 to 10 are: 2, 3, 5, 7
10 and 20 are composite numbers, not prime numbers. The prime factorization of 10 is 2 x 5. The prime factorization of 20 is 2 x 2 x 5.
3/10 are prime.
September has 19 days that are prime numbers Note: 1 is not prime or composite
The prime numbers between 10 and 20 are 11, 13, 17, and 19.
A number which has only two factors is called a prime number. Prime numbers from 1 to 10 are 2,3,5 and 7.
In contrast, no prime numbers are divisible by 10. Any prime number is divisible only by itself and 1.
The last two prime numbers before 30 are 29 and 23.