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What is the ratio of the number of one-digit prime numbers and the number of one-digit composite numbers?
The ratio of the number of one-digit prime numbers to the number of one-digit composite numbers is one to one. The one-digit prime numbers are 2, 3, 5, and 7. The one-digit composite numbers are 4, 6, 8, and 9. Therefor, the ratio is 4:4, which simplifies to 1:1.
Is 18 prime or composite?
composite The number 18 is a composite number. It is a composite number because composite numbers are whole numbers that have three or more factors.
How many positive prime numbers have a ones digit of 5?
Only one positive prime number has a 5 in the ones digit. That prime number is 5. All other numbers with a 5 in the ones digit are composite because they will be divisible by 5.
What are prime numbers and the composite number?
Prime numbers have two factors, composite numbers have more than two.
What is the least number of 1 digits of composite?
The least 1 digit number that is composite is 4. It is because all numbers before that are prime.
What is the ratio of the number of one-digit prime numbers and the number of one-digit composite numbers?
The ratio of the number of one-digit prime numbers to the number of one-digit composite numbers is one to one. The one-digit prime numbers are 2, 3, 5, and 7. The one-digit composite numbers are 4, 6, 8, and 9. Therefor, the ratio is 4:4, which simplifies to 1:1.
What are prime digits and composite digits?
It would probably refer to a digit that is a prime number, or a composite number. Note that mathematicians normally talk about prime and composite NUMBERS, not individual digits.
What is the ratio of 1 digit prime numbers and 1 digit composite number?
4/4 = 1
Are all prime numbers composite no?
no. There is a prime number and a composite number. Therefor, all prime numbers are not composite.
Are there any 8 digit prime numbers?
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. yes, there are 8 digit prime numbers.
What is the largest 2 digit prime number?
97A 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. 97 is the largest 2 digit prime number.
Is 29 a two digit composite number?
no it is a prime number (prime means its multiples are only 1 and itself composite numbers can have multiples of many other things)
Can you change composite numbers to prime numbers?
No, You can't change a composite number to prime number.
Are all prime numbers are composite numbers?
No prime number is a composite number, by definition.
Name the two composite numbers that are prime?
No composite numbers are prime. A composite number is a number that can be made by multiplying other numbers. A prime number is made only by one and itself. Therefore no number can be both prime and composite
What is the smallest three-digit number divisible by the first three prime numbers and the first three composite numbers?
The smallest three-digit number divisible by the first three prime numbers (2, 3, and 5) and the first three composite numbers (4, 6, and 8) is 120.
Is 43 a 2 digit odd number that is composite is 42 a two digit number that is composite?
42 is composite, 43 is prime.
