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The odd primes less than 20 are:

3 5 7 11 13 17 19

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Q: What are the odd primes less than twenty?
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Related questions

There are 25 prime numbers less than 100 is their sum even or odd?

The sum of the 25 primes less than 100 is even (it is 1060).The first prime number is 2. Every other prime number is odd.So, of the 25 primes less than 100, one is even and 24 are odd.Any two odd numbers sum to an even number. Therefore, an even number of odd numbers has an even sum. So the sum of 24 odd numbers is even.Therefore, the sum of the 25 primes less than 100 is even.


What are the 2 odd composite numbers less than 20?

9 and 15 are the only two odd composite numbers less than twenty.


What are the three odd primes with the sum of 14?

There are not three odd primes with the sum of 14. The sum of three odd primes will be an odd number.


Why must mersenne numbers be odd?

All Mersenne primes are one less than some multiple of two. Any multiple of two is even, so any multiple one less than a multiple of two must be odd.


What number is an odd number that is less than 160 that has exactly 3 different prime factors?

105 and the primes are 3, 5, and 7


All odd numbers less than 30 that are prime?

Prime number are number which have exactly two distinct factors, 1 and itself. Odd primes less than 30 are: 3, 5, 7, 11, 13, 17, 19, 23 and 29.


What is a odd prime number which digits add up to 8 and is less than twenty but has 2 digits?

17


What are three odd primes with sum of 30?

This question cannot be answered because three odd primes always have an odd number for their sum.


How many of the prime numbers between 10 and 20 can be written as the sum of two primes?

All prime numbers greater than 2 are odd numbers. For an odd prime to be written as the sum of two primes, one of the primes must be 2 because two odd primes will produce an even sum. 11 cannot be written as the sum of two primes. 13 = 2 + 11. 17 cannot be written as the sum of two primes. 19 = 2 + 17.


If one of your digits is odd one is even their product is less than twenty four but greater than eighteen what two numbers might you be?

21, 23 ... (19, both numbers would be odd) Do you know what odd and even means?


What is a odd number less than 5?

-13 is an odd number which is less than 5.


What odd number is less than 160 and has exactly 3 different prime factors?

The number is 105 (3 x 5 x 7). The next number that is the product of 3 odd primes is 165 (3 x 5 x 11).