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No 28 is a composite number
and not a multiple of 3
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∙ 14y ago
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What are The first 3 composite numbers that are multiples of 4 and greater than 10.?
12, 16, 20
Is 88 a composite number or prime number?
88 is a composite number because it is an even number. All numbers greater than 8 and less than 100 are composites if they are even numbers, if they are multiples of 3 or 7, or if they end in 5 or 0.
What are 3 numbers with only even multiples?
2, 4, 6 All even numbers have even multiples.
3 6 and 9 are multiples of what number?
The numbers 3,6 and 9 are all multiples of 3 because 3 can go into all of them evenly.
What subset of real numbers does fourteen belong?
To any set that contains it! It belongs to {14}, or {14, sqrt(2), pi, -3/7}, or all whole numbers between 3 and 53, or multiples of 7, or composite numbers, or counting numbers, or integers, or rational numbers, or real numbers, etc.
Are all multiples of 3 composite?
Yes, all multiples of 3 are composite except for 3 itself which is a prime number.
Are all the multiples of prime numbers prime numbers?
no take 3 for example. 3 6 9 3 x 3= 9 so that's composite.
Are 18 and 27 both prime or composite?
27 and 18 are both composite numbers. They are multiples of 3.
What is the name of the composite which has prime number 9?
All multiples of 9 are composite numbers; however, 9 itself is not a prime number. Its factors are 1, 3, and 9.
Is a composite number a number that has only two multiples?
No, prime numbers have only two factors: 1 and itself. Composite numbers have at least 3 factors.
What are numbers that are not prime?
A number that is not a prime number is called a composite number because it can be made by multiplying prime numbers together. For example, 6 is a composite number that is the product of multiplying the prime numbers 2 and 3 together.
What are The first 3 composite numbers that are multiples of 4 and greater than 10.?
12, 16, 20
Are the multiples 3 prime or composite?
Multiples of any number greater than one are composite.
Are all numbers that are multiples of 9 are multiples of 3?
This question is true
Are there any prime number divisible by 3?
But if a number is divisible only by itself and by 1, then it is prime. So, because all the other even numbers are divisible by themselves, by 1, and by 2, they are all composite (just as all the positive multiples of 3, except 3, itself, are composite).
Are all the multiples of 3 prime numbers?
no
Is there more composite numbers then prime and why?
Sieves of Eratosthenes is a good way to understand why: For example: Write down all numbers from 1 to 100 2 is prime, so all its multiple are composite, all even numbers except 2 are composite, so erase them. Half of the numbers are already erased 3 is prime, so all its multiple are composite, so erase them. A bit less than one third of the remaining number are erased (multiples of 6 have already been erased) 5 is prime, so all its multiple are composite, so erase them.... and so on with 7 and 11.... Each time a prime number is found all its multiples are to be erased from the list. Thus there are more composite numbers (erased ones) than primes.
