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Why is 85 composite?
85 is a composite number because numbers other then 1 and itself equally go into it. 5 x 17 = 85, so 5 and 17 both go into 85 making it a composite number. (All numbers ending in 5 are composite, because 5 goes into them.)
A number between 11 and 20 that is both composite and odd?
15 is a composite number - it can be divided by 3 and 5. 11, 13, 17 and 19 are all prime numbers, not composite.
What is an example of a number that is not composite?
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31 are prime numbers. they are not composite numbers.
How many prime numbers are there between 0 and 25 inclusive?
There are nine (9): 2, 3, 5, 7, 11, 13, 17, 19, 23.
Are 5 9 11 17 and 27 a prime number?
5, 11 and 17 are prime number but 9 and 27 are composite numbers
Why is 85 composite?
85 is a composite number because numbers other then 1 and itself equally go into it. 5 x 17 = 85, so 5 and 17 both go into 85 making it a composite number. (All numbers ending in 5 are composite, because 5 goes into them.)
A number between 11 and 20 that is both composite and odd?
15 is a composite number - it can be divided by 3 and 5. 11, 13, 17 and 19 are all prime numbers, not composite.
Are there more prime or composite numbers between 1 and 50?
Prime numbers between 1 and 50 are: 2 3 5 7 11 13 17 19 23 29 31 37 41 43 and 47 So there are more composite numbers than prime numbers between 1 and 50
Which is a composite Number 15 17 19 or 23?
15 is composite number 17, 19 and 23 are prime numbers.
Are 15 and 17 prime or composite why?
15 is composite, because it can be written as the product of numbers besides itself and 1 (3 * 5 = 15). 17 is prime, because the only numbers that multiply to 17 are 1 and itself.
what is the composite numbers between 5 and 15?
There are 7 composite numbers between 5 to 15 they are- 6,8,9,10,12,14,15
What is an example of a number that is not composite?
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31 are prime numbers. they are not composite numbers.
What composite numbers fall between 3 and 9?
Prime numbers are those that are not composite. The only prime numbers in this range are 3, 5, and 7.
How many composite numbers are there between 5 and 24?
There are 12 such numbers (excluding 24).
How many prime numbers are there between 0 and 25 inclusive?
There are nine (9): 2, 3, 5, 7, 11, 13, 17, 19, 23.
Are 5 9 11 17 and 27 a prime number?
5, 11 and 17 are prime number but 9 and 27 are composite numbers
What is the sum of 5 composite numbers?
The sum of 5 composite numbers can be either composite, or prime, depending on the case.
