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What is a prime factor of the composite number 28?
2 and 7
Is 91 prime or composite?
91 is a composite number. This is because composite numbers are any number that has another factor besides one and itself. Therefore, since 7 and 13 are factors of 91 that makes it a composite number.
Prime factor of the composite number 42?
2, 3, and 7
What is a prime number and is a factor of 7?
7 because 7and 1 are the only factor since 7 is a prime number. 1 isn't a prime or composite number so it is 7.
Is 603 a prime number or a composite number?
It is composite because it can be divided by 1, 3, and etc.It's compositeJust divide by several prime numbers - by 2, 3, 5, 7, 11, etc., up to the square root of the number - in this case less than 30, since 30 squared is 900. If you find a factor, the number is composite. You know that a number is a factor if, upon division with a calculator, you get a whole number; or, if you divide on paper, you get no remainder.
Are the factor of 7 prime or composite?
7 is a prime number because it's factors are itself and one.
How would you test if 7 is a factor of 291?
Divide 291 by 7 and see if you get a whole number or is there a remainder. If it is not a whole number, then it is not a factor. 7 goes into 291 41 times with a remainder of 4, so it is not a factor.
Is 49 a composite number or a prime number?
A prime number is a number with two and only two factors: 1 (also known as unity) and itself. A composite number is a number with more than two factors; in other words, it has at least one factor besides 1 and itself. 49 has factors other than 1 and itself, so it is not a prime number. For example, it is divisible by 7. Therefore, 49 is a composite number.
Is 77 a prime or composite number?
7 is a factor of 77 so it cannot be a prime. So it has to be composite.It is composite since 7 x 11 is 77 and those are both primes. That is to say, it is the product of two primes and that makes it composite.
Is 1519 composite or prime?
Composite because '7' is a factor of 1519 7)1519 = 217 Divide by '7' again 7)217 = 31 Divide by '31' ( a prime Number) / 31 = 1 So 1519 is a composite of 7 x 7 x 31 or 49 x 31
Is 72 a composite or prime number?
Ok, so "72" is a composite number, because it has factory. See, the factors of "72" are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and then of course itself: 72. A prime number's factors are only 1 and itself, so for example 7. A factor is any whole number that, when multiplied by any one other whole number, is that number that the original number was and is a factor of. Hope this helps!
Is 7 a factor of 126?
Yes, because 126 divided by 7 is 18 (if the answer is a whole number, it is a factor)
