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If a number is a multiple of 10, then 2 and 5 must also be factors.
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What has excatly 3 factors?
Squares of prime numbers are the only numbers with three factors, since there must be only one nontrivial divisor for a number to have three factors. That number must thus be prime.
A number has 10 and 6 as common factors what other numbers must they have in common?
1, 2, 3, 5, 15 and 30
What of a list of terms is the product of all common factor?
Two or more numbers must be given to give a list of their common factors and any other information that is needed about them.
If the least common multiple of two numbers is the product of those numbers what can you say about the two numbers?
In any number pair where one of the numbers is a multiple of the other, that number is the LCM.
Is the greatest common factor of any 2 odd numbers odd?
Not only can they, but they must. An odd number cannot have an even factor. So none of the factors of either of the two odd numbers can be even and so the GCF is made up of only odd factors and so it must be odd.
How are odd and even numbers are related to their factors?
Even numbers must have 2 amongst their factors; they may have other even numbers amongst their factors. Odd numbers must not; every factor of an odd number must be odd.
Can factors be decimals?
Factors must be whole numbers, not decimals.
Two factors of a number are 6 and 15 what other numbers must also be factors of that?
1, 2, 3, 10, and 30 must also be factors of that number.
If 20 is a factor of a numberwhat other numbers must also be factors of that number?
1,2,4,5,10
Suppose that 35 is a factor of a number what tow other numbers must be factors of the same number?
5 and 7
What has excatly 3 factors?
Squares of prime numbers are the only numbers with three factors, since there must be only one nontrivial divisor for a number to have three factors. That number must thus be prime.
What is all the common factors of 27?
To have common factors there must be at least two numbers.
Why is the factor of 16 and 42 must be a factor of 16?
If you're looking for common factors, they must be factors of both numbers.
Are 6 and 8 coprime numbers?
No. If two numbers are coprime, they must have no common factors.
Even numbers that are factors of 12?
All of the factors of 12 are 1,2,3,4,6,12. Therefore, the even factors must be 2,4,6,12.
A number has 10 and 6 as common factors what other numbers must they have in common?
1, 2, 3, 5, 15 and 30
Matter occupies space and has mass. Explain how energy must be described in terms of these two factors. Then define energy?
Matter occupies space and has mass Explain how energy must be described in terms of these two factors Then define energy?
