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When you add 18 to 1 4 of a number you get the number by itself?
Wiki User
∙ 9y ago
x = x/4 + 18
4x = x + 72
3x = 72
x = 24
Wiki User
∙ 9y ago
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Is 18 prime?
No, 18 is not prime. A prime number can only be divided by 1 and itself.
What are the common factors of 17 and 18?
17 is a prime number, meaning the only number that factors into it is 1 and itself. so 1 is the answer 1. 17 is a prime number, or only divisible by itself. so the only numbers that 17 and 18 have in common is 1.
Is 1 2 3 6 9 all factors of 18?
They are all factors of 18, but they are not all the factors of 18. Don't forget the number itself.
Is 18 a prime number?
No. Because it has more than 2 factors 1,2,3,18.
The product of any number and 1 is?
That number
Why is 18 not a prime number?
2 x 9 = 18, so 18 has more factors than 1 and itself. It cannot be prime because a prime number has two factors: 1 and itself.
Is 18 prime?
No, 18 is not prime. A prime number can only be divided by 1 and itself.
What are the common factors of 17 and 18?
17 is a prime number, meaning the only number that factors into it is 1 and itself. so 1 is the answer 1. 17 is a prime number, or only divisible by itself. so the only numbers that 17 and 18 have in common is 1.
How is 18 a composite number?
18 is a composite number because a prime number can only be multiplied by 1 and itself. 18 can be multiplied by 9 and 2 also.
What number is a factor of 1 2 3 6 9 and itself?
18
Is the number 18 deficient?
A deficient number is a number for which the sum of its positive integer factors (other than itself) is less than itself. The sum of the factors of 18 is 1 + 2 + 3 + 6 + 9 = 21. Since 21 is greater than 18, 18 is an abundant number.
Is the number 18 abundant?
An Abundant Number is one that the factors (other than itself) add up to more than the number. 18 factors into [2 3 3] so the factor list is {1 2 3 6 9 18} and the sum of the rest is 21. Since 21 is greater than 18, it is an abundant number.Yes 18 is an abundant number because if you add all of it's factors (1,2,3,6,9,) together the sum is 21.Definition of Abundant- a number that is less the sum of it's factors or integers
When 9 can be divided?
Add the digits of the number. If the sum is 9 or divisible by 9, the number itself is divisible by 9. Ex: 675 6 + 7+ 5 = 18 1 + 8 = 9 675 is divisible by 9.
Is 18 a prime number or a composite number explain?
18 is a composite number because it is even so definitely it has other factors aside from 1 and itself which is 2.
Is 18 composite or prime?
The factors of 18 are: 1, 2, 3, 6, 9, and 18.Since there are other factors in addition to '1' and the number itself,the number is composite.18 is a composite number because it has more than 2 factors18 is a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.18 is not prime; it is composite. 18 = 2 * 3 * 3
Is the number 18 a composite number or a prime number?
A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 18 is composite.
What can go into 18 evenly?
The number 18 can be evenly divided by the numbers 1, 2, 3, 6, 9, and 18 itself.
