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Use some rules, then just guess.
All even numbers have 2 as a factor.
All numbers ending in 0 or 5 have 5 as a factor.
Add all the digits, if that is divisible by 3 or 9 then the original number will also have 3 or 9 as a factor.
If you know a list of squares, then (in your head) compare to the number you have.
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What is the term for a factor of two or more numbers?
A factor that is the same for two or more numbers is known as a "common factor" for those numbers.
What numbers have the factor of two?
All even numbers have 2 as a factor.
Is the greatest common factor of a pair of numbers ever equal to one of the numbers?
Yes, the greatest common factor of a pair of numbers can equal one of the numbers if one of the numbers is a factor of the other.
What factor is common to all numbers?
1 is the factor that is common to all numbers.
Which number is a factor of all positive numbers?
1 is a factor of all positive numbers.
What are the factor numbers with the product of -51 and the factor of -14?
The factor numbers are 3 and -17.
What is the term for a factor of two or more numbers?
A factor that is the same for two or more numbers is known as a "common factor" for those numbers.
What numbers have the factor of two?
All even numbers have 2 as a factor.
What two numbers have a greatest factor that is one of those numbers?
One of the numbers is a factor of the other.
Is the greatest common factor of a pair of numbers ever equal to one of the numbers?
Yes, the greatest common factor of a pair of numbers can equal one of the numbers if one of the numbers is a factor of the other.
Can the HCF of two numbers be a factor of their LCM?
The HCF is always a factor of the LCM of two numbers. The HCF is a factor of both the numbers which are factors of their LCM. Thus the HCF is also a factor of the LCM of the two numbers.
Can a factor have a factor?
Yes. Factors are just numbers. All numbers have factors.
What factor is common to all numbers?
1 is the factor that is common to all numbers.
What is the factor of all numbers?
One is a factor of all nonzero numbers.
What is the largest common factor of two or more numbers?
The largest common factor of two or more numbers is the factor that goes into both numbers. Such as: the largest common factor of 2 and 4 is 2 The largest common factor of two or more numbers is the factor that goes into both numbers. Such as: the largest common factor of 2 and 4 is 2 That's the greatest common factor, or GCF.
A number that is a factor of two or more numbers?
A number that is a factor of two or more numbers is simply a common factor
Do all numbers with 12 as a factor have 2 and 10 as factors?
All numbers with 12 as a factor have 2 as a factor, but not all have 10 as a factor.
