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29 is a prime. 9, 21, and 27 are composites because they are multiples of 3.
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Is 21 and 27 prime and composite numbers?
A prime number has exactly two factors, 1 and the number itself. The factors of 21 are 1, 3, 7, and 21, and the factors of 27 are 1, 3, 9, and 27. Since 21 and 27 have more than 2 factors, they are composite numbers.
What is the prime number of 16 27 13 19 21?
They are 13 and 19 which are prime numbers
Is 1 25 16 21 27 19 a prime number?
The number 1 is neither prime nor composite. The numbers 25, 16, 21, and 27 are divisible by factors that are not one or the number itself. 19 is the only one that has only 1 and itself as factors, so it is a prime number.
Which pair of number is relatively prime 10 and 21 12 and 54 15 and 27 21 and 39?
10 and 21
Is the number 27 a prime number?
No, 27 is not a prime number. 3x9 = 27
A prime from 27 15 21 23?
27 is composite. 27 = 3 * 3 * 3 = 3315 is composite. 15 = 3 * 521 is composite. 21 = 3 * 723 is a prime number. It is only evenly divisible by itself and one.
What is the 4th prime number?
the 4th prime number is 7
What is the next prime number after 27?
29 is the next prime number after 27. But 27 is not a prime! 3 x 9 = 27!
Not a prime number 7 13 27 29?
27 is not a prime number.
Is 27 is a prime number?
It can be. 27 is relatively prime to 28.
I need to know which pair of numbers in relatively prime 10 and 21 or 12 and 54 or 15 and 27 or 21 and 38?
hcf(10, 21) = 1 ⇒ 10 & 21 relatively prime hcf(12, 54) = 6 ⇒ 12 & 54 not relatively prime hcf(15, 27) = 3 ⇒ 15 & 27 not relatively prime hcf(21, 38) = 1 ⇒ 21 & 38 relatively prime
What prime number can divide 27 and 36?
The prime number 3 can divide 27 and 36.
