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What are the odd prime numbers under 20?
The odd prime numbers less than 20 are 3, 5, 7, 11, 13, 17, and 19.
What are the first 20 odd numbers?
The first 20 odd numbers are: 13579111315171921232527293133353739.
How many odd prime numbers are less than 20?
Seven of them.
How many ways of adding eight odd numbers together to get 20?
It is impossible to add eight odd numbers together to get an even sum like 20. The sum of any odd numbers is always odd if an odd count of them is used, and it becomes even only when an even count is used. Since eight is an even number, the sum of eight odd numbers would be even, but it will still exceed 20 since the smallest odd number is 1, and the sum of eight 1s is 8, which is less than 20. Thus, there are zero ways to add eight odd numbers to achieve a sum of 20.
What 5 odd numbers add up to 20?
25
How many odd numbers are greater than 20 and less than 200?
First odd number greater than 20 is 21 Last odd number less than 200 is 199 → number of odd numbers between 20 and 200 is (199 - 21) ÷ 2 + 1 = 90
What is a number that you odd less than 20 but is a multiple of 5?
'5' & '15' are odd numbers less than 20 , and are also multiples of '5'.
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 odd prime numbers under 20?
The odd prime numbers less than 20 are 3, 5, 7, 11, 13, 17, and 19.
Which composite number is odd and smaller than 20?
15 and 9 are both odd, composite numbers less than 20.
What are the first 20 odd numbers?
The first 20 odd numbers are: 13579111315171921232527293133353739.
How many odd prime numbers are less than 20?
Seven of them.
What are all odd composite numbers that are less than 20?
9 and 15
How many odd numbers are in 40?
There are 20 odd numbers in 40.
How many odd numbers are between 20 and 100?
There are 40 odd numbers between 20 and 100. Remember that an odd number is every second number. There are 80 numbers between 20 and 100, so there are 40 odd numbers and 40 even numbers.
How many odd numbers are between 20 and 158?
There are 69 odd numbers between 20 and 158.
What numbers that are less than a hundred have proper factors that are only odd numbers?
Numbers that are prime can't be multiples of 10. Multiples of 10 can't be odd.
