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It can be and is. Since 16 is not a factor of 42, the GCF will have to be a factor of 16 that is less than 16.

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Because 16 is not a factor of 42.

2 x 2 x 2 x 2 = 16

2 x 3 x 7 = 42

The only factor in common is 2, the GCF.

It can and it is. 16 is not a factor of 42 so the GCF of 16 and 42 must be less than 16.

It can be and is.

It can be and is.

Q: Can you explain why the greatest common factor of 16 and 42 is less than 16?

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Answer = 1Greatest common factor is largest number 37 or less they can both go into evenly.

When they have a factor in common greater than one.

Always equal to or less than the smaller number, yes.

The GCF of 18 and 30 is 6

Lots of numbers are NOT common factors. For example, 5, 7, 100...Get the greatest common factor of both numbers. All common factors are factors of this greatest common factor. Note that all of them must needs be less than or equal to the greatest common factor. Any other number is NOT a common factor.

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Since 16 is not a factor of 40, the GCF must be less than 16.

No. In order for something to be a factor of a number, it has to be less than or equal to the number.

Yes, the greatest common factor of 16 and 42 can be and is less than 16. The GCF of 16 and 42 is 2..

It can be and is.

Yes, the greatest common factor is less than or equal to the smallest coefficient. For example, the greatest common factor of 38 and 8 is 2.

It can be and it is.

It can and is.

It isn't.

6

It can be and is.

If we are trying to find the two numbers less than 50 with the greatest common factor, we need to pick two numbers with a larger difference between them, since the greatest common factor between two numbers cannot be greatest than the difference between the two numbers. To create a large difference, we will want one number to be close in value to 50. And, for the greatest common factor, we want the other number itself to be the greatest common factor. The greatest common factor that the larger number can have (since it is larger and thus cannot be the greatest common factor itself) is the number which is half its value. So, if we choose the even number closest in value to 50, we get 48. Then, if we take half of it, we get 24. The greatest common factor of 24 and 48 is 24. This is the largest possible greatest common factor of a pair of numbers less than 50.

Answer = 1Greatest common factor is largest number 37 or less they can both go into evenly.