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Which of these numbers is a composite number?
A.
31
B.
41
C.
51
D.
61
It is: 29 because it has only two factors which are itself and one
21
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What is the prime of numbers 21 22 23 24 25 26 27 28 29 30 and why?
prime of numbers 21 22 23 24 25 26 27 28 29 30 prime numbers are: 23 & 29 because their factors are only 1 and themselves. factors of: 23= 1, 23 29= 1, 29 22, 24, 25, 26, 27, 28 & 30 are not prime numbers because these numbers have other factors aside from 1 and themselves. Example: factors of 22: 1, 2, 11, 22
What solve which of these numbers is prime is it a. 25 or b. 26 c. 27 d. 28 e. 29?
It is e: 29
Is 13 15 17 19 21 23 25 27 29 prime numbers?
They are all prime numbers except for 15 21 25 and 27 which are composite numbers
Which is a prime numbers 21 23 25 or 27?
It is 23
Which of these numbers is a prime number 26 27 28 29?
29
Is 23 or 24 or 25 or 26 or 27 or 28 or29 a prime number?
23 and 29 are prime numbers
What is the prime of numbers 21 22 23 24 25 26 27 28 29 30 and why?
prime of numbers 21 22 23 24 25 26 27 28 29 30 prime numbers are: 23 & 29 because their factors are only 1 and themselves. factors of: 23= 1, 23 29= 1, 29 22, 24, 25, 26, 27, 28 & 30 are not prime numbers because these numbers have other factors aside from 1 and themselves. Example: factors of 22: 1, 2, 11, 22
What solve which of these numbers is prime is it a. 25 or b. 26 c. 27 d. 28 e. 29?
It is e: 29
Are 26 and 27 relatively prime numbers?
Yes.
What is all the composite numbers between 20 and 30?
They are: 21 22 24 25 26 27 28 because 23 and 29 are prime numbers
Is 13 15 17 19 21 23 25 27 29 prime numbers?
They are all prime numbers except for 15 21 25 and 27 which are composite numbers
What is another set of numbers that has the mean of 26?
27 and 25 PROOF 27 + 25 = 52 52 / 2 = 26
What 2 prime numbers add up to 27?
29
Which is a prime numbers 21 23 25 or 27?
It is 23
Which number is prime 25 26 27 28 or 29?
29
Why is 25 and 27 not considered prime numbers?
Because 5x5=25, and 9x3=27. A prime number can be divided evenly only by 1, or itself.
Which pair of numbers does 26 fall between?
26 falls between 25 and 27.
