0
15 is composite number
Wiki User
∙ 10y ago
Add your answer:
Earn +20 pts
Is 11 13 15 prime numbers?
11 and 13 are prime numbers but 15 is a composite number because it has more than two factors
Are 11 15 25 and 35 composite or prime?
No because 11 is a prime number but the rest of them are composite numbers.
What are three prime numbers with a sum of 15?
11+3+1=15 but 1 is not a prime number. 3 + 5 + 7 = 15
Are 15 and 33 prime numbers?
No, they are composite numbers. The factors of 15 are 1, 3, 5, and 15. The factors of 33 are 1, 3, 11, and 33. Prime numbers have two factors: 1 and the number itself, so 15 and 33 cannot be prime.
Prime number x prime number 15?
3*5 = 15 in prime numbers
What is the average of the first four prime numbers greater than 10?
The first four prime numbers greater than 10 are , 11, 13,17,19 Their mean is (11 + 13 + 17 + 19) / 4 = 15 NB '15' is NOT a prime number.
Which number is a prime number 35 11 45 15?
11 is prime.
What odd number between 11 and 21 is the product of two prime numbers?
13 is prime so it is not the number. 15 is the product of 3 and 5, two prime numbers, so it fits the conditions. 17 is prime so it is not the number. 19 is prime so it is not the number. 15 is the only odd number between 11 and 21 that fits the conditions. However, if 21 is included in the range, it also is the product of two prime numbers: 3 x 7.
What prime numbers are between 6 and 15?
The prime numbers between 6 and 15 are: 7, 11, 13
Is 5 and 15 prime numbers?
5 is but 15 is not a prime number
Which is a composite number 15 or 11?
15 is a composite number. 11 is a prime number.
Which of these numbers are Prime Numbers 7 2 15 11?
All except 15
