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Can an even number be a prime number?
Yes. The number 2 is even and is classed as a prime number because it can only be divided by itself and 1 (the definition of a prime number). All other even numbers cannot be prime numbers as they can all be divided by 2.There is only 1 even number that is prime. It is 2. Besides that, every other number can go into it. It's because prime numbers can only go into itself and 1. Other numbers are composite meaning that they have other factors besides itself and 1.
Prime number that is an even number?
There is only 1 even number that is prime. It is 2. Besides that, every other number can go into it. It's because prime numbers can only go into itself and 1. Other numbers are composite meaning that they have other factors besides itself and 1.
Who do you know that there are no other consecutive numbers besides 2 and 3?
Both prime number
How is 19 a prime number?
There are no other whole numbers besides ' 1 ' and 19 that go into 19 evenly. That makes 19 a prime number.
How do you determine which number is a prime number?
you try and work out if there are any other numbers that number can be divided by besides 1 and itself.
What the definition of a prime number?
A number that is only divisible by one and itself. eg, 7, no other numbers go into 7 except 7 and 1.A number is a prime if there's no other number besides '1' and itselfthat will divide into it evenly with no remainder.Only positive whole numbers are called 'prime' numbers if they pass that test.
Is x a prime or composite?
X is a variable which can represent any number, both prime and composite. Prime numbers are those whose only factors are themselves and 1. Composite numbers have other factors besides these.
Is 293 a composite or a prime number?
293 is a prime number. A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers. In the case of 293, it cannot be divided evenly by any other numbers besides 1 and itself, making it a prime number.
What are prime numbers ans composite numbers?
Prime numbers are numbers that only 1 and the number itself can be divided into (e.g, 3: no other number can divide into it) Composite numbers are numbers that more than 1 number besides itself and 1 can be divided into (e.g, 9: more than 1 number can divide into 9).
Which number is a composite number 47 13 17 21?
21 is a composite number, as it can be divided by 7 and 3. The other three numbers are prime numbers and do not divide into anything besides themselves.
How do you know if a number is a prime number?
A prime number is a number which can only be divided by itself and 1. All even numbers are not prime numbers (except for 2) Only odd numbers, try dividing the number with a few possible other numbers, if you can't find any whole answers, than that number is a prime number.
Is 61 composite or prime?
61 has only two factors, 1 and 61, which means that it is a prime number. There are no other integers that are factors of 61. (A composite number can be divided by numbers besides 1 and itself.)
