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What are factors in mathematics?
Any whole number (integer) has factors. Factors are numbers that can be divided into another number. For example the factors of 15 are: 1, 3, 5 and 15 (1 times 15 and 3 times 5)
How many differnet whole numbers are factors of 15?
To find the factors of a number, you first need to split that number into its prime factors. In the case of 15, this produces: 15 = 3x5 The next step is to note that every factor of the number (apart from 1) is the product of any combination of its prime factors. Thus, the factors of 15 are: 1, 3, 5 and 15.
what are the proper factors of 15 are?
Factors are the numbers you multiple together to get another number. 15: 1, 3, 5, 15
What is the proper factors of number 15?
3, 5
What is the common number of 15 and 16?
Factors of 16 are: 1 2 4 8 and 16 Factors of 15 are: 1 3 5 and 15
Is 15 a composit number?
Yes, 15 is a composite number with more than two factors
How do you find a composite number?
To find a composite number, think of two numbers that can be multiplied to equal that number. For example, 15 is a composite number because its factors are 1, 3, 5 and 15. For a number to be composite, it should have more than two factors.To know 15 is a composite number, know:1 x 15=153 x 5 =15All composite numbers have more than two factors whereas prime numbers have only two factors.
Explain why 15 not a prime number?
It has more than two factors.
Why doesn't 15 a prime number?
It has more than two factors.
What is the composite number of 11 13 and 15?
It is 15 because it has more than two factors
What are two factors of the number 75?
the factors of 75 are: 1, 3, 5, 15, 25, and 75
What number goes into 14 and 15?
The two number have no common prime factors. i.e. the HCF(14, 15) = 1; they are coprime.
How do you know 15 is a composite number?
Because it has more than two factors
Two factors of a number are 6 and 15 what other numbers must also be factors of that?
1, 2, 3, 10, and 30 must also be factors of that number.
Factors of 15?
A factor = a number which can be divided into the given number with no remainder The factors of 15 are 1, 3, 5, and 15.
What is the largest two digit number that has the factors pf 12 15 30?
It is: 60
Why is the number 15 composite?
As well as 1 and itself, the number 15 is divisible by 5 and 3. Therefore, it is composite - not prime.
