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What kind of numbers only have even factors?
even numbers
Do only square numbers have an even number of factors?
No, only square numbers have an odd number of factors.
If the product of 2 numbers is even do the 2 factors have to be even?
No. the factors may be both even but only one of them needs to be.
Do all even numbers have only even numbers for factors?
At least one of the factors of an even number must be even, because the product of odd factors is always odd.
Do all even numbers have only even numbers as factors?
No. 24 has 3 as a factor. 30 has 15 as a factor.
What numbers has only two factors?
Numbers with only two factors, the number itself and one, are called prime numbers. Examples of prime numbers are 2 (which is the only even prime number) and 17.
What are the prime and even numbers?
The only even number that is prime is 2. No other even numbers can be prime because 2 is a factor of them. Prime numbers can have only two factors: 1 and itself.
Is two the only prime number?
no. 2 is the only even prime number. Prime numbers are numbers that only have two factors; one and itself. E.g. The number 7 only has two factors- 1x7=7. 2 is a factor of all even numbers, therefore no other even numbers are prime. They are composite. 2, however, is a prime number, as it's only factors are itself (2) and 1.
Is an even number composite?
All even numbers are composite numbers except 2 which is the only even prime number because it has only two factors which are itself and one.
Does even or odd numbers have more factors?
Some even numbers have more factors than some odd numbers and some odd numbers have more factors than some even numbers. As a group, even numbers have more factors than odd numbers.
Do odd or even numbers have more factors?
Some even numbers have more factors than some odd numbers and some odd numbers have more factors than some even numbers. As a group, even numbers have more factors than odd numbers.
Are the greatest common factors of 2 even numbers awlways even?
yes because even numbers only go into 2 4 6.....
