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Why is 18 a composite number?
A number which has more than two factors is called composite number. Factors of 18 are 1, 2, 3, 6, 9 and 18. As it can be seen 18 has more than two factors so, 18 is composite.
The product of 18 negative factors will be?
If an even number of negative factors are multiplied together (such as 18 factors), the answer will be positive. If there are an odd number of negative factors, the answer will be negative.
What is the prime and composite number for 18?
factors of 18: 1, 2, 3, 6, 9 and 18 prime factors of 18: 2, 3 composite factors of 18: 6, 9, 18
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 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.
Why is 18 a composite number?
A number which has more than two factors is called composite number. Factors of 18 are 1, 2, 3, 6, 9 and 18. As it can be seen 18 has more than two factors so, 18 is composite.
The product of 18 negative factors will be?
If an even number of negative factors are multiplied together (such as 18 factors), the answer will be positive. If there are an odd number of negative factors, the answer will be negative.
What are the factors and prime factors of 18?
The factors of 18 are 1, 2, 3, 6, 9, and 18. The prime factors are 2 x 3 x 3. 18 is a composite number.
What is the prime and composite number for 18?
factors of 18: 1, 2, 3, 6, 9 and 18 prime factors of 18: 2, 3 composite factors of 18: 6, 9, 18
How many factors does the number 18 have?
Six factors.
What is smallest number with 18 factors?
180, with factors 1,2,3,4,5,6,9,10,12,15,18,20,30,36,45,60,90 and 180.
How many factors does the number 18?
Six of them.
How many factors are in the number 810?
18
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.
What are all the factors of 18 and 83?
Factors of 18: 1 2 3 6 9 and 18 Factors of 83: 1 and 83 because it is a prime number
What number less than 200 has the most factors?
180 has 18 factors.
What number in 18?
Its factors are: 1, 2, 3, 6, 9 and 18
