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Yes.

Prime numbers have one factor pair. Composite numbers have two or more pairs. (6,8) and (4,12) are two different factor pairs for 48.

By grouping. Sometimes group 3 terms and factor them as trimonial them see if you can do more with the last term. sometimes you group them into pairs and factor the pairs, then see if you can do more.

No. The Maximum Factor for any number that is less than itself can be only 50% of its value.

Any number is a factor and a multiple of itself. Other factors are less than the number, other multiples are more. 5 is a factor of 10. 10 is a multiple of 5.

Five

30

Twenty only has three factor pairs. (20,1)(10,2)(5,4)

A number that is a factor of two or more numbers is simply a common factor

That's not necessarily enough information. The original numbers will be another factor pair of the product of the GCF and LCM. If that number has more than two factor pairs, more information will be required.

Apart from [1,201], [3,67] is the only other factor pair. Since both 3 and 67 are prime numbers, you know you won't be able to find any more factor pairs.

A whole number that is a factor of two or more numbers is a common factor.

a positive number is more, not less.

A number with more than one factor is normal, since all numbers except 0 and 1 have more than one factor. A number with more than two factors is composite.

It is called a common factor.

a common factor

None. The least common factor is defined only for two or more numbers: one number cannot have a LCF. In any case, the least factor of any number is 1. So 91 cannot be a least common factor of any number since 1 is a factor and 1 is less than 91.

A whole number that is a factor of two or more nonzero whole numbers is a common factorThis would be called a common factor.common factor.a common factor

Because 16 is a factor of 16, but it's not a factor of 42. So a number that's a factor of both 16 and 42 must be less than 16. (It can't be more than 16, because no factor of 16 can be bigger than 16.)

A common factor.

a common factor

acid. the less number it is has more acid, and more number it is has less acid.

Answer: None, it is impossible. No single number has a greatest common factor. A "common factor" is a factor that two or more numbers have in common. The "greatest common factor" is the largest factor that two or more numbers have in common.

That would be called a "common factor" of the two (or more) numbers.

The greatest factor of any number is the number itself. There is no integer that is the greatest factor of every number. One is a factor of every number. One is the GCF of co-prime numbers.