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Why any prime numbers and composite number always be a composite number?
If you mean the product, that's by definition. A composite number has smaller factors. If you multiply two positive integers, none of which is 1, together, then it follows that the product has smaller factors - namely, the numbers you multiplied together.
Is the sum of any two prime numbers always a composite number?
The sum of any two prime numbers is not always a composite number. The sum of 2 and 11 is 13, and 13 is a prime number, not a composite number.
Is the gcf of two numbers are always composite number?
Not necessarily.
When you multiply two prime numbers you always get answer with prime number?
No. If you multiply any numbers, those numbers are factors of whatever product you get. Therefore, this product is a composite number; it has atleast the two factors you multiplyed before. Compposite numbers are never prime. If the two factors above were prime, you would still end up with a composite number. For example: 3 times 5 equals 15. The factors of 15 are 1, 3, 5, and 15. 15 is composite. 7 time 51 equals 357. The factors of 357 are 1, 7, 51, and 357. 357 is composite.
Is the sum of two composite numbers also composite?
Not always as for example 20+9 = 29 which is a prime number
Why any prime numbers and composite number always be a composite number?
If you mean the product, that's by definition. A composite number has smaller factors. If you multiply two positive integers, none of which is 1, together, then it follows that the product has smaller factors - namely, the numbers you multiplied together.
How do you get a composite number?
Composite numbers have three or more factors.
Is the sum of any two prime numbers always a composite number?
The sum of any two prime numbers is not always a composite number. The sum of 2 and 11 is 13, and 13 is a prime number, not a composite number.
What do you get when you multiply 2 prime numbers?
A composite number. (If they are different numbers, keep in mind 1 is not a prime number)
What is composite factors mean?
its means the numbers that you multiply with to get a product has more than numbers to multiply THAT with than just that number and 1.
Is the gcf of two numbers are always composite number?
Not necessarily.
Is 308 a prime or composite number?
it is a composite number because you can tell from the 8 that it is an even number, and even numbers can always be divided.
Is the product of 2 prime numbers always a composite number?
Yes
Why are all even numbers eccept 2 a composite number?
Because all other even numbers have 1 & 2 always as a factor which makes it a composite number.
Are all composite numbers the product of two prime number?
No not always because composite numbers can be the product of 2 or more prime factors
When you multiply two prime numbers you always get answer with prime number?
No. If you multiply any numbers, those numbers are factors of whatever product you get. Therefore, this product is a composite number; it has atleast the two factors you multiplyed before. Compposite numbers are never prime. If the two factors above were prime, you would still end up with a composite number. For example: 3 times 5 equals 15. The factors of 15 are 1, 3, 5, and 15. 15 is composite. 7 time 51 equals 357. The factors of 357 are 1, 7, 51, and 357. 357 is composite.
To find a composite number why divide by prime numbers?
You could try dividing by composite numbers but the number that you are testing is divisible by a composite number, then it will be divisible by a prime factor of that composite number and that prime factor will be smaller. It is always easier to work with smaller numbers.
