There are 45 prime numbers that are less than 200 (including '1'.)
There are 25 prime numbers up to 100.
Numbers up to 200 divisible by both 2 and 3 = numbers to 200 divisible by 2*3 = 6 which is int(200/6) = int(33.33) = 33
19,29,59,79,89 are the prime numbers with 9 in its Unit place.
Look up a list of prime numbers (a Google search for "prime numbers" or "list of prime numbers" should do); every number (greater than 1) that is NOT a prime number is composite.
No, there are not 26 prime numbers up to 100. There are actually 25 prime numbers up to 100.
There are 15 prime numbers up to 50.
There are exactly 200 of them.
127 prime numbers in that range. See related link for prime numbers up to 10000. Plus there is a link to download Zip files of prime numbers up to 1 million.
Eight of them.
The first two prime numbers add up to another prime number.
There are 25 prime numbers up to 100.
Numbers up to 200 divisible by both 2 and 3 = numbers to 200 divisible by 2*3 = 6 which is int(200/6) = int(33.33) = 33
46 of them.
Look up a table of prime numbers. All those numbers that are not prime, are composite - except 1, which is neither prime nor composite.
19,29,59,79,89 are the prime numbers with 9 in its Unit place.
Look up a list of prime numbers (a Google search for "prime numbers" or "list of prime numbers" should do); every number (greater than 1) that is NOT a prime number is composite.
There are 80 such numbers.